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Finding the Third Proportional to 101,172.38 and 218,554.88

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Solution

The third proportional to 101,172.38 and 218,554.88 is: 472,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,172.38 : 218,554.88 = 218,554.88 : x
  2. Step 2: Convert to fraction form
    101,172.38/218,554.88 = 218,554.88/x
  3. Step 3: Cross multiply
    101,172.38x = 218,554.88 × 218,554.88
  4. Step 4: Simplify right side
    101,172.38x = 47,766,233,386.27
  5. Step 5: Solve for x
    x = 47,766,233,386.27/101,172.38
  6. Step 6: Final answer
    x = 472,127.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.