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Finding the Third Proportional to 59,917,698 and 129,091,347

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Solution

The third proportional to 59,917,698 and 129,091,347 is: 278,124,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,917,698 : 129,091,347 = 129,091,347 : x
  2. Step 2: Convert to fraction form
    59,917,698/129,091,347 = 129,091,347/x
  3. Step 3: Cross multiply
    59,917,698x = 129,091,347 × 129,091,347
  4. Step 4: Simplify right side
    59,917,698x = 16,664,575,870,274,408
  5. Step 5: Solve for x
    x = 16,664,575,870,274,408/59,917,698
  6. Step 6: Final answer
    x = 278,124,434.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.