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Finding the Third Proportional to 58,263 and 85,479

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Solution

The third proportional to 58,263 and 85,479 is: 125,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,263 : 85,479 = 85,479 : x
  2. Step 2: Convert to fraction form
    58,263/85,479 = 85,479/x
  3. Step 3: Cross multiply
    58,263x = 85,479 × 85,479
  4. Step 4: Simplify right side
    58,263x = 7,306,659,441
  5. Step 5: Solve for x
    x = 7,306,659,441/58,263
  6. Step 6: Final answer
    x = 125,408.23

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.