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Finding the Third Proportional to 98,820 and 134,406

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Solution

The third proportional to 98,820 and 134,406 is: 182,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,820 : 134,406 = 134,406 : x
  2. Step 2: Convert to fraction form
    98,820/134,406 = 134,406/x
  3. Step 3: Cross multiply
    98,820x = 134,406 × 134,406
  4. Step 4: Simplify right side
    98,820x = 18,064,972,836
  5. Step 5: Solve for x
    x = 18,064,972,836/98,820
  6. Step 6: Final answer
    x = 182,806.85

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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.