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Finding the Third Proportional to 5,657.63 and 12,178.13

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Solution

The third proportional to 5,657.63 and 12,178.13 is: 26,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.63 : 12,178.13 = 12,178.13 : x
  2. Step 2: Convert to fraction form
    5,657.63/12,178.13 = 12,178.13/x
  3. Step 3: Cross multiply
    5,657.63x = 12,178.13 × 12,178.13
  4. Step 4: Simplify right side
    5,657.63x = 148,306,728.52
  5. Step 5: Solve for x
    x = 148,306,728.52/5,657.63
  6. Step 6: Final answer
    x = 26,213.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.