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Finding the Third Proportional to 4,178.25 and 9,862.88

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Solution

The third proportional to 4,178.25 and 9,862.88 is: 23,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.25 : 9,862.88 = 9,862.88 : x
  2. Step 2: Convert to fraction form
    4,178.25/9,862.88 = 9,862.88/x
  3. Step 3: Cross multiply
    4,178.25x = 9,862.88 × 9,862.88
  4. Step 4: Simplify right side
    4,178.25x = 97,276,303.27
  5. Step 5: Solve for x
    x = 97,276,303.27/4,178.25
  6. Step 6: Final answer
    x = 23,281.59

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.