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Finding the Third Proportional to 18,139,494 and 39,817,500

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Solution

The third proportional to 18,139,494 and 39,817,500 is: 87,402,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,494 : 39,817,500 = 39,817,500 : x
  2. Step 2: Convert to fraction form
    18,139,494/39,817,500 = 39,817,500/x
  3. Step 3: Cross multiply
    18,139,494x = 39,817,500 × 39,817,500
  4. Step 4: Simplify right side
    18,139,494x = 1,585,433,306,250,000
  5. Step 5: Solve for x
    x = 1,585,433,306,250,000/18,139,494
  6. Step 6: Final answer
    x = 87,402,289.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.