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Finding the Third Proportional to 83,931 and 181,266.75

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Solution

The third proportional to 83,931 and 181,266.75 is: 391,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,931 : 181,266.75 = 181,266.75 : x
  2. Step 2: Convert to fraction form
    83,931/181,266.75 = 181,266.75/x
  3. Step 3: Cross multiply
    83,931x = 181,266.75 × 181,266.75
  4. Step 4: Simplify right side
    83,931x = 32,857,634,655.56
  5. Step 5: Solve for x
    x = 32,857,634,655.56/83,931
  6. Step 6: Final answer
    x = 391,483.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.