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Finding the Third Proportional to 79,374 and 107,798

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Solution

The third proportional to 79,374 and 107,798 is: 146,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,374 : 107,798 = 107,798 : x
  2. Step 2: Convert to fraction form
    79,374/107,798 = 107,798/x
  3. Step 3: Cross multiply
    79,374x = 107,798 × 107,798
  4. Step 4: Simplify right side
    79,374x = 11,620,408,804
  5. Step 5: Solve for x
    x = 11,620,408,804/79,374
  6. Step 6: Final answer
    x = 146,400.70

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.