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Finding the Third Proportional to 615,066.75 and 865,771

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Solution

The third proportional to 615,066.75 and 865,771 is: 1,218,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,066.75 : 865,771 = 865,771 : x
  2. Step 2: Convert to fraction form
    615,066.75/865,771 = 865,771/x
  3. Step 3: Cross multiply
    615,066.75x = 865,771 × 865,771
  4. Step 4: Simplify right side
    615,066.75x = 749,559,424,441
  5. Step 5: Solve for x
    x = 749,559,424,441/615,066.75
  6. Step 6: Final answer
    x = 1,218,663.54

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.