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Finding the Third Proportional to 791,100 and 1,225,908

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Solution

The third proportional to 791,100 and 1,225,908 is: 1,899,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,100 : 1,225,908 = 1,225,908 : x
  2. Step 2: Convert to fraction form
    791,100/1,225,908 = 1,225,908/x
  3. Step 3: Cross multiply
    791,100x = 1,225,908 × 1,225,908
  4. Step 4: Simplify right side
    791,100x = 1,502,850,424,464
  5. Step 5: Solve for x
    x = 1,502,850,424,464/791,100
  6. Step 6: Final answer
    x = 1,899,697.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.