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Finding the Third Proportional to 12,815.88 and 26,652.64

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Solution

The third proportional to 12,815.88 and 26,652.64 is: 55,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815.88 : 26,652.64 = 26,652.64 : x
  2. Step 2: Convert to fraction form
    12,815.88/26,652.64 = 26,652.64/x
  3. Step 3: Cross multiply
    12,815.88x = 26,652.64 × 26,652.64
  4. Step 4: Simplify right side
    12,815.88x = 710,363,148.17
  5. Step 5: Solve for x
    x = 710,363,148.17/12,815.88
  6. Step 6: Final answer
    x = 55,428.37

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.