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Finding the Third Proportional to 539,455.50 and 805,489.88

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Solution

The third proportional to 539,455.50 and 805,489.88 is: 1,202,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,455.50 : 805,489.88 = 805,489.88 : x
  2. Step 2: Convert to fraction form
    539,455.50/805,489.88 = 805,489.88/x
  3. Step 3: Cross multiply
    539,455.50x = 805,489.88 × 805,489.88
  4. Step 4: Simplify right side
    539,455.50x = 648,813,938,727.52
  5. Step 5: Solve for x
    x = 648,813,938,727.52/539,455.50
  6. Step 6: Final answer
    x = 1,202,720.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.