Home / 142,339,804-310,783,639

Finding the Third Proportional to 142,339,804 and 310,783,639

Calculator

Solution

The third proportional to 142,339,804 and 310,783,639 is: 678,562,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,339,804 : 310,783,639 = 310,783,639 : x
  2. Step 2: Convert to fraction form
    142,339,804/310,783,639 = 310,783,639/x
  3. Step 3: Cross multiply
    142,339,804x = 310,783,639 × 310,783,639
  4. Step 4: Simplify right side
    142,339,804x = 96,586,470,270,082,320
  5. Step 5: Solve for x
    x = 96,586,470,270,082,320/142,339,804
  6. Step 6: Final answer
    x = 678,562,619.56

Related Problems

Find third proportional to 71,169,902 and 155,391,819.50
Half scale
Find third proportional to 284,679,608 and 621,567,278
Double scale
Find third proportional to 142,339,806 and 310,783,643
Similar ratio
Find third proportional to 213,509,706 and 466,175,458.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.