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Finding the Third Proportional to 10,306 and 14,725

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Solution

The third proportional to 10,306 and 14,725 is: 21,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306 : 14,725 = 14,725 : x
  2. Step 2: Convert to fraction form
    10,306/14,725 = 14,725/x
  3. Step 3: Cross multiply
    10,306x = 14,725 × 14,725
  4. Step 4: Simplify right side
    10,306x = 216,825,625
  5. Step 5: Solve for x
    x = 216,825,625/10,306
  6. Step 6: Final answer
    x = 21,038.78

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.