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Finding the Third Proportional to 110,408 and 240,138

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Solution

The third proportional to 110,408 and 240,138 is: 522,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,408 : 240,138 = 240,138 : x
  2. Step 2: Convert to fraction form
    110,408/240,138 = 240,138/x
  3. Step 3: Cross multiply
    110,408x = 240,138 × 240,138
  4. Step 4: Simplify right side
    110,408x = 57,666,259,044
  5. Step 5: Solve for x
    x = 57,666,259,044/110,408
  6. Step 6: Final answer
    x = 522,301.46

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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.