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Finding the Third Proportional to 124,987.50 and 271,291.50

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Solution

The third proportional to 124,987.50 and 271,291.50 is: 588,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,987.50 : 271,291.50 = 271,291.50 : x
  2. Step 2: Convert to fraction form
    124,987.50/271,291.50 = 271,291.50/x
  3. Step 3: Cross multiply
    124,987.50x = 271,291.50 × 271,291.50
  4. Step 4: Simplify right side
    124,987.50x = 73,599,077,972.25
  5. Step 5: Solve for x
    x = 73,599,077,972.25/124,987.50
  6. Step 6: Final answer
    x = 588,851.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.