Home / 284,601-427,657.50

Finding the Third Proportional to 284,601 and 427,657.50

Calculator

Solution

The third proportional to 284,601 and 427,657.50 is: 642,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,601 : 427,657.50 = 427,657.50 : x
  2. Step 2: Convert to fraction form
    284,601/427,657.50 = 427,657.50/x
  3. Step 3: Cross multiply
    284,601x = 427,657.50 × 427,657.50
  4. Step 4: Simplify right side
    284,601x = 182,890,937,306.25
  5. Step 5: Solve for x
    x = 182,890,937,306.25/284,601
  6. Step 6: Final answer
    x = 642,622.26

Related Problems

Find third proportional to 142,300.50 and 213,828.75
Half scale
Find third proportional to 569,202 and 855,315
Double scale
Find third proportional to 284,603 and 427,661
Similar ratio
Find third proportional to 426,901.50 and 641,486.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.