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Finding the Third Proportional to 5,553 and 12,078

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Solution

The third proportional to 5,553 and 12,078 is: 26,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553 : 12,078 = 12,078 : x
  2. Step 2: Convert to fraction form
    5,553/12,078 = 12,078/x
  3. Step 3: Cross multiply
    5,553x = 12,078 × 12,078
  4. Step 4: Simplify right side
    5,553x = 145,878,084
  5. Step 5: Solve for x
    x = 145,878,084/5,553
  6. Step 6: Final answer
    x = 26,270.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.