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Finding the Third Proportional to 31,003,819.50 and 72,416,019

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Solution

The third proportional to 31,003,819.50 and 72,416,019 is: 169,143,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,003,819.50 : 72,416,019 = 72,416,019 : x
  2. Step 2: Convert to fraction form
    31,003,819.50/72,416,019 = 72,416,019/x
  3. Step 3: Cross multiply
    31,003,819.50x = 72,416,019 × 72,416,019
  4. Step 4: Simplify right side
    31,003,819.50x = 5,244,079,807,808,361
  5. Step 5: Solve for x
    x = 5,244,079,807,808,361/31,003,819.50
  6. Step 6: Final answer
    x = 169,143,024.71

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.