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Finding the Third Proportional to 60,248 and 90,190

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Solution

The third proportional to 60,248 and 90,190 is: 135,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,248 : 90,190 = 90,190 : x
  2. Step 2: Convert to fraction form
    60,248/90,190 = 90,190/x
  3. Step 3: Cross multiply
    60,248x = 90,190 × 90,190
  4. Step 4: Simplify right side
    60,248x = 8,134,236,100
  5. Step 5: Solve for x
    x = 8,134,236,100/60,248
  6. Step 6: Final answer
    x = 135,012.55

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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.