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Finding the Third Proportional to 112,282.50 and 169,587

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Solution

The third proportional to 112,282.50 and 169,587 is: 256,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,282.50 : 169,587 = 169,587 : x
  2. Step 2: Convert to fraction form
    112,282.50/169,587 = 169,587/x
  3. Step 3: Cross multiply
    112,282.50x = 169,587 × 169,587
  4. Step 4: Simplify right side
    112,282.50x = 28,759,750,569
  5. Step 5: Solve for x
    x = 28,759,750,569/112,282.50
  6. Step 6: Final answer
    x = 256,137.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.