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Finding the Third Proportional to 45,366 and 70,074

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Solution

The third proportional to 45,366 and 70,074 is: 108,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,366 : 70,074 = 70,074 : x
  2. Step 2: Convert to fraction form
    45,366/70,074 = 70,074/x
  3. Step 3: Cross multiply
    45,366x = 70,074 × 70,074
  4. Step 4: Simplify right side
    45,366x = 4,910,365,476
  5. Step 5: Solve for x
    x = 4,910,365,476/45,366
  6. Step 6: Final answer
    x = 108,238.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.