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Finding the Third Proportional to 379,471.50 and 812,737.13

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Solution

The third proportional to 379,471.50 and 812,737.13 is: 1,740,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,471.50 : 812,737.13 = 812,737.13 : x
  2. Step 2: Convert to fraction form
    379,471.50/812,737.13 = 812,737.13/x
  3. Step 3: Cross multiply
    379,471.50x = 812,737.13 × 812,737.13
  4. Step 4: Simplify right side
    379,471.50x = 660,541,634,353.27
  5. Step 5: Solve for x
    x = 660,541,634,353.27/379,471.50
  6. Step 6: Final answer
    x = 1,740,688.39

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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.