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Finding the Third Proportional to 121,381.03 and 266,851.97

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Solution

The third proportional to 121,381.03 and 266,851.97 is: 586,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,381.03 : 266,851.97 = 266,851.97 : x
  2. Step 2: Convert to fraction form
    121,381.03/266,851.97 = 266,851.97/x
  3. Step 3: Cross multiply
    121,381.03x = 266,851.97 × 266,851.97
  4. Step 4: Simplify right side
    121,381.03x = 71,209,973,225.75
  5. Step 5: Solve for x
    x = 71,209,973,225.75/121,381.03
  6. Step 6: Final answer
    x = 586,664.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.