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Finding the Third Proportional to 431,282 and 935,869

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Solution

The third proportional to 431,282 and 935,869 is: 2,030,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,282 : 935,869 = 935,869 : x
  2. Step 2: Convert to fraction form
    431,282/935,869 = 935,869/x
  3. Step 3: Cross multiply
    431,282x = 935,869 × 935,869
  4. Step 4: Simplify right side
    431,282x = 875,850,785,161
  5. Step 5: Solve for x
    x = 875,850,785,161/431,282
  6. Step 6: Final answer
    x = 2,030,807.65

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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.