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Finding the Third Proportional to 5,294 and 8,643

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Solution

The third proportional to 5,294 and 8,643 is: 14,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294 : 8,643 = 8,643 : x
  2. Step 2: Convert to fraction form
    5,294/8,643 = 8,643/x
  3. Step 3: Cross multiply
    5,294x = 8,643 × 8,643
  4. Step 4: Simplify right side
    5,294x = 74,701,449
  5. Step 5: Solve for x
    x = 74,701,449/5,294
  6. Step 6: Final answer
    x = 14,110.59

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.