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Finding the Third Proportional to 8,958 and 13,746

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Solution

The third proportional to 8,958 and 13,746 is: 21,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958 : 13,746 = 13,746 : x
  2. Step 2: Convert to fraction form
    8,958/13,746 = 13,746/x
  3. Step 3: Cross multiply
    8,958x = 13,746 × 13,746
  4. Step 4: Simplify right side
    8,958x = 188,952,516
  5. Step 5: Solve for x
    x = 188,952,516/8,958
  6. Step 6: Final answer
    x = 21,093.16

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.