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Finding the Third Proportional to 487,032.75 and 868,887

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Solution

The third proportional to 487,032.75 and 868,887 is: 1,550,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,032.75 : 868,887 = 868,887 : x
  2. Step 2: Convert to fraction form
    487,032.75/868,887 = 868,887/x
  3. Step 3: Cross multiply
    487,032.75x = 868,887 × 868,887
  4. Step 4: Simplify right side
    487,032.75x = 754,964,618,769
  5. Step 5: Solve for x
    x = 754,964,618,769/487,032.75
  6. Step 6: Final answer
    x = 1,550,131.11

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.