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Finding the Third Proportional to 118,295,499 and 258,853,686

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Solution

The third proportional to 118,295,499 and 258,853,686 is: 566,422,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,295,499 : 258,853,686 = 258,853,686 : x
  2. Step 2: Convert to fraction form
    118,295,499/258,853,686 = 258,853,686/x
  3. Step 3: Cross multiply
    118,295,499x = 258,853,686 × 258,853,686
  4. Step 4: Simplify right side
    118,295,499x = 67,005,230,755,786,592
  5. Step 5: Solve for x
    x = 67,005,230,755,786,592/118,295,499
  6. Step 6: Final answer
    x = 566,422,487.10

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.