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Finding the Third Proportional to 227,121.75 and 352,685.25

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Solution

The third proportional to 227,121.75 and 352,685.25 is: 547,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,121.75 : 352,685.25 = 352,685.25 : x
  2. Step 2: Convert to fraction form
    227,121.75/352,685.25 = 352,685.25/x
  3. Step 3: Cross multiply
    227,121.75x = 352,685.25 × 352,685.25
  4. Step 4: Simplify right side
    227,121.75x = 124,386,885,567.56
  5. Step 5: Solve for x
    x = 124,386,885,567.56/227,121.75
  6. Step 6: Final answer
    x = 547,666.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.