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Finding the Third Proportional to 359,628 and 540,366

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Solution

The third proportional to 359,628 and 540,366 is: 811,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,628 : 540,366 = 540,366 : x
  2. Step 2: Convert to fraction form
    359,628/540,366 = 540,366/x
  3. Step 3: Cross multiply
    359,628x = 540,366 × 540,366
  4. Step 4: Simplify right side
    359,628x = 291,995,413,956
  5. Step 5: Solve for x
    x = 291,995,413,956/359,628
  6. Step 6: Final answer
    x = 811,937.37

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