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Finding the Third Proportional to 9,628 and 14,376

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Solution

The third proportional to 9,628 and 14,376 is: 21,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628 : 14,376 = 14,376 : x
  2. Step 2: Convert to fraction form
    9,628/14,376 = 14,376/x
  3. Step 3: Cross multiply
    9,628x = 14,376 × 14,376
  4. Step 4: Simplify right side
    9,628x = 206,669,376
  5. Step 5: Solve for x
    x = 206,669,376/9,628
  6. Step 6: Final answer
    x = 21,465.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.