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Finding the Third Proportional to 13,559.06 and 15,989.06

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Solution

The third proportional to 13,559.06 and 15,989.06 is: 18,854.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.06 : 15,989.06 = 15,989.06 : x
  2. Step 2: Convert to fraction form
    13,559.06/15,989.06 = 15,989.06/x
  3. Step 3: Cross multiply
    13,559.06x = 15,989.06 × 15,989.06
  4. Step 4: Simplify right side
    13,559.06x = 255,650,119.63
  5. Step 5: Solve for x
    x = 255,650,119.63/13,559.06
  6. Step 6: Final answer
    x = 18,854.56

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.