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Finding the Third Proportional to 8,220,366 and 17,652,720

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Solution

The third proportional to 8,220,366 and 17,652,720 is: 37,908,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,366 : 17,652,720 = 17,652,720 : x
  2. Step 2: Convert to fraction form
    8,220,366/17,652,720 = 17,652,720/x
  3. Step 3: Cross multiply
    8,220,366x = 17,652,720 × 17,652,720
  4. Step 4: Simplify right side
    8,220,366x = 311,618,523,398,400
  5. Step 5: Solve for x
    x = 311,618,523,398,400/8,220,366
  6. Step 6: Final answer
    x = 37,908,108.15

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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.