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Finding the Third Proportional to 18,207,516 and 39,005,587.50

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Solution

The third proportional to 18,207,516 and 39,005,587.50 is: 83,560,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,516 : 39,005,587.50 = 39,005,587.50 : x
  2. Step 2: Convert to fraction form
    18,207,516/39,005,587.50 = 39,005,587.50/x
  3. Step 3: Cross multiply
    18,207,516x = 39,005,587.50 × 39,005,587.50
  4. Step 4: Simplify right side
    18,207,516x = 1,521,435,856,220,156.25
  5. Step 5: Solve for x
    x = 1,521,435,856,220,156.25/18,207,516
  6. Step 6: Final answer
    x = 83,560,868.83

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.