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Finding the Third Proportional to 48,369.75 and 74,742.75

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Solution

The third proportional to 48,369.75 and 74,742.75 is: 115,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,369.75 : 74,742.75 = 74,742.75 : x
  2. Step 2: Convert to fraction form
    48,369.75/74,742.75 = 74,742.75/x
  3. Step 3: Cross multiply
    48,369.75x = 74,742.75 × 74,742.75
  4. Step 4: Simplify right side
    48,369.75x = 5,586,478,677.56
  5. Step 5: Solve for x
    x = 5,586,478,677.56/48,369.75
  6. Step 6: Final answer
    x = 115,495.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.