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Finding the Third Proportional to 74,744 and 112,332

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Solution

The third proportional to 74,744 and 112,332 is: 168,822.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,744 : 112,332 = 112,332 : x
  2. Step 2: Convert to fraction form
    74,744/112,332 = 112,332/x
  3. Step 3: Cross multiply
    74,744x = 112,332 × 112,332
  4. Step 4: Simplify right side
    74,744x = 12,618,478,224
  5. Step 5: Solve for x
    x = 12,618,478,224/74,744
  6. Step 6: Final answer
    x = 168,822.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.