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Finding the Third Proportional to 172,681.88 and 247,905.56

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Solution

The third proportional to 172,681.88 and 247,905.56 is: 355,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,681.88 : 247,905.56 = 247,905.56 : x
  2. Step 2: Convert to fraction form
    172,681.88/247,905.56 = 247,905.56/x
  3. Step 3: Cross multiply
    172,681.88x = 247,905.56 × 247,905.56
  4. Step 4: Simplify right side
    172,681.88x = 61,457,167,918.44
  5. Step 5: Solve for x
    x = 61,457,167,918.44/172,681.88
  6. Step 6: Final answer
    x = 355,898.20

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.