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Finding the Third Proportional to 10,858 and 14,343

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Solution

The third proportional to 10,858 and 14,343 is: 18,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858 : 14,343 = 14,343 : x
  2. Step 2: Convert to fraction form
    10,858/14,343 = 14,343/x
  3. Step 3: Cross multiply
    10,858x = 14,343 × 14,343
  4. Step 4: Simplify right side
    10,858x = 205,721,649
  5. Step 5: Solve for x
    x = 205,721,649/10,858
  6. Step 6: Final answer
    x = 18,946.55

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.