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Finding the Third Proportional to 38,568 and 56,718

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Solution

The third proportional to 38,568 and 56,718 is: 83,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568 : 56,718 = 56,718 : x
  2. Step 2: Convert to fraction form
    38,568/56,718 = 56,718/x
  3. Step 3: Cross multiply
    38,568x = 56,718 × 56,718
  4. Step 4: Simplify right side
    38,568x = 3,216,931,524
  5. Step 5: Solve for x
    x = 3,216,931,524/38,568
  6. Step 6: Final answer
    x = 83,409.34

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.