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Finding the Third Proportional to 48,490.50 and 74,508

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Solution

The third proportional to 48,490.50 and 74,508 is: 114,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,490.50 : 74,508 = 74,508 : x
  2. Step 2: Convert to fraction form
    48,490.50/74,508 = 74,508/x
  3. Step 3: Cross multiply
    48,490.50x = 74,508 × 74,508
  4. Step 4: Simplify right side
    48,490.50x = 5,551,442,064
  5. Step 5: Solve for x
    x = 5,551,442,064/48,490.50
  6. Step 6: Final answer
    x = 114,485.15

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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.