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Finding the Third Proportional to 126,528 and 189,726

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Solution

The third proportional to 126,528 and 189,726 is: 284,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,528 : 189,726 = 189,726 : x
  2. Step 2: Convert to fraction form
    126,528/189,726 = 189,726/x
  3. Step 3: Cross multiply
    126,528x = 189,726 × 189,726
  4. Step 4: Simplify right side
    126,528x = 35,995,955,076
  5. Step 5: Solve for x
    x = 35,995,955,076/126,528
  6. Step 6: Final answer
    x = 284,490.03

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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.