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Finding the Third Proportional to 1,317,964 and 2,877,631

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Solution

The third proportional to 1,317,964 and 2,877,631 is: 6,282,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,964 : 2,877,631 = 2,877,631 : x
  2. Step 2: Convert to fraction form
    1,317,964/2,877,631 = 2,877,631/x
  3. Step 3: Cross multiply
    1,317,964x = 2,877,631 × 2,877,631
  4. Step 4: Simplify right side
    1,317,964x = 8,280,760,172,161
  5. Step 5: Solve for x
    x = 8,280,760,172,161/1,317,964
  6. Step 6: Final answer
    x = 6,282,994.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.