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Finding the Third Proportional to 207,400.50 and 311,374.13

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Solution

The third proportional to 207,400.50 and 311,374.13 is: 467,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,400.50 : 311,374.13 = 311,374.13 : x
  2. Step 2: Convert to fraction form
    207,400.50/311,374.13 = 311,374.13/x
  3. Step 3: Cross multiply
    207,400.50x = 311,374.13 × 311,374.13
  4. Step 4: Simplify right side
    207,400.50x = 96,953,845,719.52
  5. Step 5: Solve for x
    x = 96,953,845,719.52/207,400.50
  6. Step 6: Final answer
    x = 467,471.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.