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Finding the Third Proportional to 48,009 and 74,731.50

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Solution

The third proportional to 48,009 and 74,731.50 is: 116,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009 : 74,731.50 = 74,731.50 : x
  2. Step 2: Convert to fraction form
    48,009/74,731.50 = 74,731.50/x
  3. Step 3: Cross multiply
    48,009x = 74,731.50 × 74,731.50
  4. Step 4: Simplify right side
    48,009x = 5,584,797,092.25
  5. Step 5: Solve for x
    x = 5,584,797,092.25/48,009
  6. Step 6: Final answer
    x = 116,328.13

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.