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Finding the Third Proportional to 863,955 and 1,216,107

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Solution

The third proportional to 863,955 and 1,216,107 is: 1,711,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,955 : 1,216,107 = 1,216,107 : x
  2. Step 2: Convert to fraction form
    863,955/1,216,107 = 1,216,107/x
  3. Step 3: Cross multiply
    863,955x = 1,216,107 × 1,216,107
  4. Step 4: Simplify right side
    863,955x = 1,478,916,235,449
  5. Step 5: Solve for x
    x = 1,478,916,235,449/863,955
  6. Step 6: Final answer
    x = 1,711,797.76

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.