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Finding the Third Proportional to 98,978.84 and 134,474.87

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Solution

The third proportional to 98,978.84 and 134,474.87 is: 182,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,978.84 : 134,474.87 = 134,474.87 : x
  2. Step 2: Convert to fraction form
    98,978.84/134,474.87 = 134,474.87/x
  3. Step 3: Cross multiply
    98,978.84x = 134,474.87 × 134,474.87
  4. Step 4: Simplify right side
    98,978.84x = 18,083,490,955.68
  5. Step 5: Solve for x
    x = 18,083,490,955.68/98,978.84
  6. Step 6: Final answer
    x = 182,700.58

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