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Finding the Third Proportional to 4,420,364 and 9,486,560

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Solution

The third proportional to 4,420,364 and 9,486,560 is: 20,359,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420,364 : 9,486,560 = 9,486,560 : x
  2. Step 2: Convert to fraction form
    4,420,364/9,486,560 = 9,486,560/x
  3. Step 3: Cross multiply
    4,420,364x = 9,486,560 × 9,486,560
  4. Step 4: Simplify right side
    4,420,364x = 89,994,820,633,600
  5. Step 5: Solve for x
    x = 89,994,820,633,600/4,420,364
  6. Step 6: Final answer
    x = 20,359,142.51

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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.