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Finding the Third Proportional to 126,043 and 189,065

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Solution

The third proportional to 126,043 and 189,065 is: 283,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,043 : 189,065 = 189,065 : x
  2. Step 2: Convert to fraction form
    126,043/189,065 = 189,065/x
  3. Step 3: Cross multiply
    126,043x = 189,065 × 189,065
  4. Step 4: Simplify right side
    126,043x = 35,745,574,225
  5. Step 5: Solve for x
    x = 35,745,574,225/126,043
  6. Step 6: Final answer
    x = 283,598.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.