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Finding the Third Proportional to 25,129,508 and 54,708,778

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Solution

The third proportional to 25,129,508 and 54,708,778 is: 119,105,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129,508 : 54,708,778 = 54,708,778 : x
  2. Step 2: Convert to fraction form
    25,129,508/54,708,778 = 54,708,778/x
  3. Step 3: Cross multiply
    25,129,508x = 54,708,778 × 54,708,778
  4. Step 4: Simplify right side
    25,129,508x = 2,993,050,390,253,284
  5. Step 5: Solve for x
    x = 2,993,050,390,253,284/25,129,508
  6. Step 6: Final answer
    x = 119,105,013.53

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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.