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Finding the Third Proportional to 5,615.58 and 12,151.90

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Solution

The third proportional to 5,615.58 and 12,151.90 is: 26,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.58 : 12,151.90 = 12,151.90 : x
  2. Step 2: Convert to fraction form
    5,615.58/12,151.90 = 12,151.90/x
  3. Step 3: Cross multiply
    5,615.58x = 12,151.90 × 12,151.90
  4. Step 4: Simplify right side
    5,615.58x = 147,668,635.64
  5. Step 5: Solve for x
    x = 147,668,635.64/5,615.58
  6. Step 6: Final answer
    x = 26,296.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.