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Finding the Third Proportional to 60,348 and 90,117

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Solution

The third proportional to 60,348 and 90,117 is: 134,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,348 : 90,117 = 90,117 : x
  2. Step 2: Convert to fraction form
    60,348/90,117 = 90,117/x
  3. Step 3: Cross multiply
    60,348x = 90,117 × 90,117
  4. Step 4: Simplify right side
    60,348x = 8,121,073,689
  5. Step 5: Solve for x
    x = 8,121,073,689/60,348
  6. Step 6: Final answer
    x = 134,570.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.