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Finding the Third Proportional to 39,390 and 58,948

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Solution

The third proportional to 39,390 and 58,948 is: 88,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390 : 58,948 = 58,948 : x
  2. Step 2: Convert to fraction form
    39,390/58,948 = 58,948/x
  3. Step 3: Cross multiply
    39,390x = 58,948 × 58,948
  4. Step 4: Simplify right side
    39,390x = 3,474,866,704
  5. Step 5: Solve for x
    x = 3,474,866,704/39,390
  6. Step 6: Final answer
    x = 88,216.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.