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Finding the Third Proportional to 48,710 and 76,140.75

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Solution

The third proportional to 48,710 and 76,140.75 is: 119,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,710 : 76,140.75 = 76,140.75 : x
  2. Step 2: Convert to fraction form
    48,710/76,140.75 = 76,140.75/x
  3. Step 3: Cross multiply
    48,710x = 76,140.75 × 76,140.75
  4. Step 4: Simplify right side
    48,710x = 5,797,413,810.56
  5. Step 5: Solve for x
    x = 5,797,413,810.56/48,710
  6. Step 6: Final answer
    x = 119,018.97

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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.