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Finding the Third Proportional to 73,117.50 and 157,115.50

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Solution

The third proportional to 73,117.50 and 157,115.50 is: 337,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117.50 : 157,115.50 = 157,115.50 : x
  2. Step 2: Convert to fraction form
    73,117.50/157,115.50 = 157,115.50/x
  3. Step 3: Cross multiply
    73,117.50x = 157,115.50 × 157,115.50
  4. Step 4: Simplify right side
    73,117.50x = 24,685,280,340.25
  5. Step 5: Solve for x
    x = 24,685,280,340.25/73,117.50
  6. Step 6: Final answer
    x = 337,611.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.