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Finding the Third Proportional to 318,208.50 and 372,610.13

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Solution

The third proportional to 318,208.50 and 372,610.13 is: 436,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,208.50 : 372,610.13 = 372,610.13 : x
  2. Step 2: Convert to fraction form
    318,208.50/372,610.13 = 372,610.13/x
  3. Step 3: Cross multiply
    318,208.50x = 372,610.13 × 372,610.13
  4. Step 4: Simplify right side
    318,208.50x = 138,838,305,252.52
  5. Step 5: Solve for x
    x = 138,838,305,252.52/318,208.50
  6. Step 6: Final answer
    x = 436,312.37

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.