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Finding the Third Proportional to 72,214.50 and 157,551

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Solution

The third proportional to 72,214.50 and 157,551 is: 343,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,214.50 : 157,551 = 157,551 : x
  2. Step 2: Convert to fraction form
    72,214.50/157,551 = 157,551/x
  3. Step 3: Cross multiply
    72,214.50x = 157,551 × 157,551
  4. Step 4: Simplify right side
    72,214.50x = 24,822,317,601
  5. Step 5: Solve for x
    x = 24,822,317,601/72,214.50
  6. Step 6: Final answer
    x = 343,730.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.