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Finding the Third Proportional to 68,920.88 and 155,611.13

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Solution

The third proportional to 68,920.88 and 155,611.13 is: 351,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,920.88 : 155,611.13 = 155,611.13 : x
  2. Step 2: Convert to fraction form
    68,920.88/155,611.13 = 155,611.13/x
  3. Step 3: Cross multiply
    68,920.88x = 155,611.13 × 155,611.13
  4. Step 4: Simplify right side
    68,920.88x = 24,214,822,223.77
  5. Step 5: Solve for x
    x = 24,214,822,223.77/68,920.88
  6. Step 6: Final answer
    x = 351,342.35

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.