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Finding the Third Proportional to 38,748 and 79,133

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Solution

The third proportional to 38,748 and 79,133 is: 161,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748 : 79,133 = 79,133 : x
  2. Step 2: Convert to fraction form
    38,748/79,133 = 79,133/x
  3. Step 3: Cross multiply
    38,748x = 79,133 × 79,133
  4. Step 4: Simplify right side
    38,748x = 6,262,031,689
  5. Step 5: Solve for x
    x = 6,262,031,689/38,748
  6. Step 6: Final answer
    x = 161,609.16

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.