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Finding the Third Proportional to 135,882.56 and 288,208.13

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Solution

The third proportional to 135,882.56 and 288,208.13 is: 611,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,882.56 : 288,208.13 = 288,208.13 : x
  2. Step 2: Convert to fraction form
    135,882.56/288,208.13 = 288,208.13/x
  3. Step 3: Cross multiply
    135,882.56x = 288,208.13 × 288,208.13
  4. Step 4: Simplify right side
    135,882.56x = 83,063,923,316.02
  5. Step 5: Solve for x
    x = 83,063,923,316.02/135,882.56
  6. Step 6: Final answer
    x = 611,292.00

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.