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Finding the Third Proportional to 385,762 and 834,948

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Solution

The third proportional to 385,762 and 834,948 is: 1,807,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,762 : 834,948 = 834,948 : x
  2. Step 2: Convert to fraction form
    385,762/834,948 = 834,948/x
  3. Step 3: Cross multiply
    385,762x = 834,948 × 834,948
  4. Step 4: Simplify right side
    385,762x = 697,138,162,704
  5. Step 5: Solve for x
    x = 697,138,162,704/385,762
  6. Step 6: Final answer
    x = 1,807,171.68

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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.