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Finding the Third Proportional to 7,898 and 12,363

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Solution

The third proportional to 7,898 and 12,363 is: 19,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898 : 12,363 = 12,363 : x
  2. Step 2: Convert to fraction form
    7,898/12,363 = 12,363/x
  3. Step 3: Cross multiply
    7,898x = 12,363 × 12,363
  4. Step 4: Simplify right side
    7,898x = 152,843,769
  5. Step 5: Solve for x
    x = 152,843,769/7,898
  6. Step 6: Final answer
    x = 19,352.21

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.