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Finding the Third Proportional to 49,871.25 and 74,808

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Solution

The third proportional to 49,871.25 and 74,808 is: 112,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871.25 : 74,808 = 74,808 : x
  2. Step 2: Convert to fraction form
    49,871.25/74,808 = 74,808/x
  3. Step 3: Cross multiply
    49,871.25x = 74,808 × 74,808
  4. Step 4: Simplify right side
    49,871.25x = 5,596,236,864
  5. Step 5: Solve for x
    x = 5,596,236,864/49,871.25
  6. Step 6: Final answer
    x = 112,213.69

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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.