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Finding the Third Proportional to 45,015.75 and 72,717.75

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Solution

The third proportional to 45,015.75 and 72,717.75 is: 117,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,015.75 : 72,717.75 = 72,717.75 : x
  2. Step 2: Convert to fraction form
    45,015.75/72,717.75 = 72,717.75/x
  3. Step 3: Cross multiply
    45,015.75x = 72,717.75 × 72,717.75
  4. Step 4: Simplify right side
    45,015.75x = 5,287,871,165.06
  5. Step 5: Solve for x
    x = 5,287,871,165.06/45,015.75
  6. Step 6: Final answer
    x = 117,467.13

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.