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Finding the Third Proportional to 8,717.63 and 13,435.88

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Solution

The third proportional to 8,717.63 and 13,435.88 is: 20,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.63 : 13,435.88 = 13,435.88 : x
  2. Step 2: Convert to fraction form
    8,717.63/13,435.88 = 13,435.88/x
  3. Step 3: Cross multiply
    8,717.63x = 13,435.88 × 13,435.88
  4. Step 4: Simplify right side
    8,717.63x = 180,522,737.02
  5. Step 5: Solve for x
    x = 180,522,737.02/8,717.63
  6. Step 6: Final answer
    x = 20,707.79

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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.