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Finding the Third Proportional to 6,862.50 and 15,291

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Solution

The third proportional to 6,862.50 and 15,291 is: 34,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.50 : 15,291 = 15,291 : x
  2. Step 2: Convert to fraction form
    6,862.50/15,291 = 15,291/x
  3. Step 3: Cross multiply
    6,862.50x = 15,291 × 15,291
  4. Step 4: Simplify right side
    6,862.50x = 233,814,681
  5. Step 5: Solve for x
    x = 233,814,681/6,862.50
  6. Step 6: Final answer
    x = 34,071.36

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.