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Finding the Third Proportional to 121,252.50 and 266,337

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Solution

The third proportional to 121,252.50 and 266,337 is: 585,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,252.50 : 266,337 = 266,337 : x
  2. Step 2: Convert to fraction form
    121,252.50/266,337 = 266,337/x
  3. Step 3: Cross multiply
    121,252.50x = 266,337 × 266,337
  4. Step 4: Simplify right side
    121,252.50x = 70,935,397,569
  5. Step 5: Solve for x
    x = 70,935,397,569/121,252.50
  6. Step 6: Final answer
    x = 585,022.14

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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.