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Finding the Third Proportional to 917,136.84 and 1,992,304.69

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Solution

The third proportional to 917,136.84 and 1,992,304.69 is: 4,327,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,136.84 : 1,992,304.69 = 1,992,304.69 : x
  2. Step 2: Convert to fraction form
    917,136.84/1,992,304.69 = 1,992,304.69/x
  3. Step 3: Cross multiply
    917,136.84x = 1,992,304.69 × 1,992,304.69
  4. Step 4: Simplify right side
    917,136.84x = 3,969,277,967,834.47
  5. Step 5: Solve for x
    x = 3,969,277,967,834.47/917,136.84
  6. Step 6: Final answer
    x = 4,327,901.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.