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Finding the Third Proportional to 15,815,258 and 34,530,478

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Solution

The third proportional to 15,815,258 and 34,530,478 is: 75,392,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,258 : 34,530,478 = 34,530,478 : x
  2. Step 2: Convert to fraction form
    15,815,258/34,530,478 = 34,530,478/x
  3. Step 3: Cross multiply
    15,815,258x = 34,530,478 × 34,530,478
  4. Step 4: Simplify right side
    15,815,258x = 1,192,353,910,908,484
  5. Step 5: Solve for x
    x = 1,192,353,910,908,484/15,815,258
  6. Step 6: Final answer
    x = 75,392,631.02

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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.