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Finding the Third Proportional to 69,358 and 107,332

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Solution

The third proportional to 69,358 and 107,332 is: 166,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,358 : 107,332 = 107,332 : x
  2. Step 2: Convert to fraction form
    69,358/107,332 = 107,332/x
  3. Step 3: Cross multiply
    69,358x = 107,332 × 107,332
  4. Step 4: Simplify right side
    69,358x = 11,520,158,224
  5. Step 5: Solve for x
    x = 11,520,158,224/69,358
  6. Step 6: Final answer
    x = 166,097.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.