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Finding the Third Proportional to 6,948.28 and 12,780.28

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Solution

The third proportional to 6,948.28 and 12,780.28 is: 23,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.28 : 12,780.28 = 12,780.28 : x
  2. Step 2: Convert to fraction form
    6,948.28/12,780.28 = 12,780.28/x
  3. Step 3: Cross multiply
    6,948.28x = 12,780.28 × 12,780.28
  4. Step 4: Simplify right side
    6,948.28x = 163,335,588.83
  5. Step 5: Solve for x
    x = 163,335,588.83/6,948.28
  6. Step 6: Final answer
    x = 23,507.34

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.