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Finding the Third Proportional to 85,924 and 130,074

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Solution

The third proportional to 85,924 and 130,074 is: 196,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,924 : 130,074 = 130,074 : x
  2. Step 2: Convert to fraction form
    85,924/130,074 = 130,074/x
  3. Step 3: Cross multiply
    85,924x = 130,074 × 130,074
  4. Step 4: Simplify right side
    85,924x = 16,919,245,476
  5. Step 5: Solve for x
    x = 16,919,245,476/85,924
  6. Step 6: Final answer
    x = 196,909.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.