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Finding the Third Proportional to 41,768 and 64,747

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Solution

The third proportional to 41,768 and 64,747 is: 100,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,768 : 64,747 = 64,747 : x
  2. Step 2: Convert to fraction form
    41,768/64,747 = 64,747/x
  3. Step 3: Cross multiply
    41,768x = 64,747 × 64,747
  4. Step 4: Simplify right side
    41,768x = 4,192,174,009
  5. Step 5: Solve for x
    x = 4,192,174,009/41,768
  6. Step 6: Final answer
    x = 100,368.08

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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.