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Finding the Third Proportional to 48,765 and 75,172.50

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Solution

The third proportional to 48,765 and 75,172.50 is: 115,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,765 : 75,172.50 = 75,172.50 : x
  2. Step 2: Convert to fraction form
    48,765/75,172.50 = 75,172.50/x
  3. Step 3: Cross multiply
    48,765x = 75,172.50 × 75,172.50
  4. Step 4: Simplify right side
    48,765x = 5,650,904,756.25
  5. Step 5: Solve for x
    x = 5,650,904,756.25/48,765
  6. Step 6: Final answer
    x = 115,880.34

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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.