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Finding the Third Proportional to 359,154 and 538,731

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Solution

The third proportional to 359,154 and 538,731 is: 808,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,154 : 538,731 = 538,731 : x
  2. Step 2: Convert to fraction form
    359,154/538,731 = 538,731/x
  3. Step 3: Cross multiply
    359,154x = 538,731 × 538,731
  4. Step 4: Simplify right side
    359,154x = 290,231,090,361
  5. Step 5: Solve for x
    x = 290,231,090,361/359,154
  6. Step 6: Final answer
    x = 808,096.50

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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.