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Finding the Third Proportional to 13,257.75 and 28,852.13

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Solution

The third proportional to 13,257.75 and 28,852.13 is: 62,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.75 : 28,852.13 = 28,852.13 : x
  2. Step 2: Convert to fraction form
    13,257.75/28,852.13 = 28,852.13/x
  3. Step 3: Cross multiply
    13,257.75x = 28,852.13 × 28,852.13
  4. Step 4: Simplify right side
    13,257.75x = 832,445,117.02
  5. Step 5: Solve for x
    x = 832,445,117.02/13,257.75
  6. Step 6: Final answer
    x = 62,789.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.