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Finding the Third Proportional to 172,108.13 and 372,809.25

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Solution

The third proportional to 172,108.13 and 372,809.25 is: 807,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,108.13 : 372,809.25 = 372,809.25 : x
  2. Step 2: Convert to fraction form
    172,108.13/372,809.25 = 372,809.25/x
  3. Step 3: Cross multiply
    172,108.13x = 372,809.25 × 372,809.25
  4. Step 4: Simplify right side
    172,108.13x = 138,986,736,885.56
  5. Step 5: Solve for x
    x = 138,986,736,885.56/172,108.13
  6. Step 6: Final answer
    x = 807,554.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.