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Finding the Third Proportional to 82,031 and 117,304

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Solution

The third proportional to 82,031 and 117,304 is: 167,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,031 : 117,304 = 117,304 : x
  2. Step 2: Convert to fraction form
    82,031/117,304 = 117,304/x
  3. Step 3: Cross multiply
    82,031x = 117,304 × 117,304
  4. Step 4: Simplify right side
    82,031x = 13,760,228,416
  5. Step 5: Solve for x
    x = 13,760,228,416/82,031
  6. Step 6: Final answer
    x = 167,744.25

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.