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Finding the Third Proportional to 1,265,618.25 and 1,960,213.50

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Solution

The third proportional to 1,265,618.25 and 1,960,213.50 is: 3,036,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,618.25 : 1,960,213.50 = 1,960,213.50 : x
  2. Step 2: Convert to fraction form
    1,265,618.25/1,960,213.50 = 1,960,213.50/x
  3. Step 3: Cross multiply
    1,265,618.25x = 1,960,213.50 × 1,960,213.50
  4. Step 4: Simplify right side
    1,265,618.25x = 3,842,436,965,582.25
  5. Step 5: Solve for x
    x = 3,842,436,965,582.25/1,265,618.25
  6. Step 6: Final answer
    x = 3,036,015.77

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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.