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Finding the Third Proportional to 18,957,658.50 and 40,835,475

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Solution

The third proportional to 18,957,658.50 and 40,835,475 is: 87,961,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,658.50 : 40,835,475 = 40,835,475 : x
  2. Step 2: Convert to fraction form
    18,957,658.50/40,835,475 = 40,835,475/x
  3. Step 3: Cross multiply
    18,957,658.50x = 40,835,475 × 40,835,475
  4. Step 4: Simplify right side
    18,957,658.50x = 1,667,536,018,475,625
  5. Step 5: Solve for x
    x = 1,667,536,018,475,625/18,957,658.50
  6. Step 6: Final answer
    x = 87,961,074.86

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.