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Finding the Third Proportional to 86,337 and 130,847

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Solution

The third proportional to 86,337 and 130,847 is: 198,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,337 : 130,847 = 130,847 : x
  2. Step 2: Convert to fraction form
    86,337/130,847 = 130,847/x
  3. Step 3: Cross multiply
    86,337x = 130,847 × 130,847
  4. Step 4: Simplify right side
    86,337x = 17,120,937,409
  5. Step 5: Solve for x
    x = 17,120,937,409/86,337
  6. Step 6: Final answer
    x = 198,303.59

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.