Home / 274,804-437,140

Finding the Third Proportional to 274,804 and 437,140

Calculator

Solution

The third proportional to 274,804 and 437,140 is: 695,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,804 : 437,140 = 437,140 : x
  2. Step 2: Convert to fraction form
    274,804/437,140 = 437,140/x
  3. Step 3: Cross multiply
    274,804x = 437,140 × 437,140
  4. Step 4: Simplify right side
    274,804x = 191,091,379,600
  5. Step 5: Solve for x
    x = 191,091,379,600/274,804
  6. Step 6: Final answer
    x = 695,373.36

Related Problems

Find third proportional to 137,402 and 218,570
Half scale
Find third proportional to 549,608 and 874,280
Double scale
Find third proportional to 274,806 and 437,143
Similar ratio
Find third proportional to 412,206 and 655,710
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.