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Finding the Third Proportional to 131,013 and 207,787.50

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Solution

The third proportional to 131,013 and 207,787.50 is: 329,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,013 : 207,787.50 = 207,787.50 : x
  2. Step 2: Convert to fraction form
    131,013/207,787.50 = 207,787.50/x
  3. Step 3: Cross multiply
    131,013x = 207,787.50 × 207,787.50
  4. Step 4: Simplify right side
    131,013x = 43,175,645,156.25
  5. Step 5: Solve for x
    x = 43,175,645,156.25/131,013
  6. Step 6: Final answer
    x = 329,552.37

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.