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Finding the Third Proportional to 5,319 and 12,422.25

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Solution

The third proportional to 5,319 and 12,422.25 is: 29,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319 : 12,422.25 = 12,422.25 : x
  2. Step 2: Convert to fraction form
    5,319/12,422.25 = 12,422.25/x
  3. Step 3: Cross multiply
    5,319x = 12,422.25 × 12,422.25
  4. Step 4: Simplify right side
    5,319x = 154,312,295.06
  5. Step 5: Solve for x
    x = 154,312,295.06/5,319
  6. Step 6: Final answer
    x = 29,011.52

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.