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Finding the Third Proportional to 125,017,137 and 259,615,842

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Solution

The third proportional to 125,017,137 and 259,615,842 is: 539,129,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,017,137 : 259,615,842 = 259,615,842 : x
  2. Step 2: Convert to fraction form
    125,017,137/259,615,842 = 259,615,842/x
  3. Step 3: Cross multiply
    125,017,137x = 259,615,842 × 259,615,842
  4. Step 4: Simplify right side
    125,017,137x = 67,400,385,417,368,960
  5. Step 5: Solve for x
    x = 67,400,385,417,368,960/125,017,137
  6. Step 6: Final answer
    x = 539,129,170.89

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.