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Finding the Third Proportional to 13,725 and 29,587.50

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Solution

The third proportional to 13,725 and 29,587.50 is: 63,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725 : 29,587.50 = 29,587.50 : x
  2. Step 2: Convert to fraction form
    13,725/29,587.50 = 29,587.50/x
  3. Step 3: Cross multiply
    13,725x = 29,587.50 × 29,587.50
  4. Step 4: Simplify right side
    13,725x = 875,420,156.25
  5. Step 5: Solve for x
    x = 875,420,156.25/13,725
  6. Step 6: Final answer
    x = 63,782.89

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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.