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Finding the Third Proportional to 15,106 and 17,306

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Solution

The third proportional to 15,106 and 17,306 is: 19,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106 : 17,306 = 17,306 : x
  2. Step 2: Convert to fraction form
    15,106/17,306 = 17,306/x
  3. Step 3: Cross multiply
    15,106x = 17,306 × 17,306
  4. Step 4: Simplify right side
    15,106x = 299,497,636
  5. Step 5: Solve for x
    x = 299,497,636/15,106
  6. Step 6: Final answer
    x = 19,826.40

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.