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Finding the Third Proportional to 7,456 and 19,376

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Solution

The third proportional to 7,456 and 19,376 is: 50,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456 : 19,376 = 19,376 : x
  2. Step 2: Convert to fraction form
    7,456/19,376 = 19,376/x
  3. Step 3: Cross multiply
    7,456x = 19,376 × 19,376
  4. Step 4: Simplify right side
    7,456x = 375,429,376
  5. Step 5: Solve for x
    x = 375,429,376/7,456
  6. Step 6: Final answer
    x = 50,352.65

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.