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Finding the Third Proportional to 48,319 and 73,146

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Solution

The third proportional to 48,319 and 73,146 is: 110,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,319 : 73,146 = 73,146 : x
  2. Step 2: Convert to fraction form
    48,319/73,146 = 73,146/x
  3. Step 3: Cross multiply
    48,319x = 73,146 × 73,146
  4. Step 4: Simplify right side
    48,319x = 5,350,337,316
  5. Step 5: Solve for x
    x = 5,350,337,316/48,319
  6. Step 6: Final answer
    x = 110,729.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.