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Finding the Third Proportional to 48,121 and 74,060

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Solution

The third proportional to 48,121 and 74,060 is: 113,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121 : 74,060 = 74,060 : x
  2. Step 2: Convert to fraction form
    48,121/74,060 = 74,060/x
  3. Step 3: Cross multiply
    48,121x = 74,060 × 74,060
  4. Step 4: Simplify right side
    48,121x = 5,484,883,600
  5. Step 5: Solve for x
    x = 5,484,883,600/48,121
  6. Step 6: Final answer
    x = 113,981.08

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.