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Finding the Third Proportional to 38,485,528 and 82,986,680

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Solution

The third proportional to 38,485,528 and 82,986,680 is: 178,944,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,485,528 : 82,986,680 = 82,986,680 : x
  2. Step 2: Convert to fraction form
    38,485,528/82,986,680 = 82,986,680/x
  3. Step 3: Cross multiply
    38,485,528x = 82,986,680 × 82,986,680
  4. Step 4: Simplify right side
    38,485,528x = 6,886,789,057,422,400
  5. Step 5: Solve for x
    x = 6,886,789,057,422,400/38,485,528
  6. Step 6: Final answer
    x = 178,944,902.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.