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Finding the Third Proportional to 48,808 and 66,298

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Solution

The third proportional to 48,808 and 66,298 is: 90,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,808 : 66,298 = 66,298 : x
  2. Step 2: Convert to fraction form
    48,808/66,298 = 66,298/x
  3. Step 3: Cross multiply
    48,808x = 66,298 × 66,298
  4. Step 4: Simplify right side
    48,808x = 4,395,424,804
  5. Step 5: Solve for x
    x = 4,395,424,804/48,808
  6. Step 6: Final answer
    x = 90,055.42

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.