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Finding the Third Proportional to 1,960,110 and 4,220,559

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Solution

The third proportional to 1,960,110 and 4,220,559 is: 9,087,815.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,110 : 4,220,559 = 4,220,559 : x
  2. Step 2: Convert to fraction form
    1,960,110/4,220,559 = 4,220,559/x
  3. Step 3: Cross multiply
    1,960,110x = 4,220,559 × 4,220,559
  4. Step 4: Simplify right side
    1,960,110x = 17,813,118,272,481
  5. Step 5: Solve for x
    x = 17,813,118,272,481/1,960,110
  6. Step 6: Final answer
    x = 9,087,815.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.