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Finding the Third Proportional to 261,917,663 and 570,336,418

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Solution

The third proportional to 261,917,663 and 570,336,418 is: 1,241,930,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,917,663 : 570,336,418 = 570,336,418 : x
  2. Step 2: Convert to fraction form
    261,917,663/570,336,418 = 570,336,418/x
  3. Step 3: Cross multiply
    261,917,663x = 570,336,418 × 570,336,418
  4. Step 4: Simplify right side
    261,917,663x = 325,283,629,697,070,720
  5. Step 5: Solve for x
    x = 325,283,629,697,070,720/261,917,663
  6. Step 6: Final answer
    x = 1,241,930,864.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.