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Finding the Third Proportional to 15,618,540 and 31,998,148

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Solution

The third proportional to 15,618,540 and 31,998,148 is: 65,555,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618,540 : 31,998,148 = 31,998,148 : x
  2. Step 2: Convert to fraction form
    15,618,540/31,998,148 = 31,998,148/x
  3. Step 3: Cross multiply
    15,618,540x = 31,998,148 × 31,998,148
  4. Step 4: Simplify right side
    15,618,540x = 1,023,881,475,429,904
  5. Step 5: Solve for x
    x = 1,023,881,475,429,904/15,618,540
  6. Step 6: Final answer
    x = 65,555,517.70

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.