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Finding the Third Proportional to 12,862.13 and 28,275.75

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Solution

The third proportional to 12,862.13 and 28,275.75 is: 62,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.13 : 28,275.75 = 28,275.75 : x
  2. Step 2: Convert to fraction form
    12,862.13/28,275.75 = 28,275.75/x
  3. Step 3: Cross multiply
    12,862.13x = 28,275.75 × 28,275.75
  4. Step 4: Simplify right side
    12,862.13x = 799,518,038.06
  5. Step 5: Solve for x
    x = 799,518,038.06/12,862.13
  6. Step 6: Final answer
    x = 62,160.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.