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Finding the Third Proportional to 992,180 and 2,173,531

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Solution

The third proportional to 992,180 and 2,173,531 is: 4,761,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,180 : 2,173,531 = 2,173,531 : x
  2. Step 2: Convert to fraction form
    992,180/2,173,531 = 2,173,531/x
  3. Step 3: Cross multiply
    992,180x = 2,173,531 × 2,173,531
  4. Step 4: Simplify right side
    992,180x = 4,724,237,007,961
  5. Step 5: Solve for x
    x = 4,724,237,007,961/992,180
  6. Step 6: Final answer
    x = 4,761,471.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.