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Finding the Third Proportional to 1,966,624 and 4,279,340

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Solution

The third proportional to 1,966,624 and 4,279,340 is: 9,311,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,624 : 4,279,340 = 4,279,340 : x
  2. Step 2: Convert to fraction form
    1,966,624/4,279,340 = 4,279,340/x
  3. Step 3: Cross multiply
    1,966,624x = 4,279,340 × 4,279,340
  4. Step 4: Simplify right side
    1,966,624x = 18,312,750,835,600
  5. Step 5: Solve for x
    x = 18,312,750,835,600/1,966,624
  6. Step 6: Final answer
    x = 9,311,770.24

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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.