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Finding the Third Proportional to 4,431,585 and 9,639,630

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Solution

The third proportional to 4,431,585 and 9,639,630 is: 20,968,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,585 : 9,639,630 = 9,639,630 : x
  2. Step 2: Convert to fraction form
    4,431,585/9,639,630 = 9,639,630/x
  3. Step 3: Cross multiply
    4,431,585x = 9,639,630 × 9,639,630
  4. Step 4: Simplify right side
    4,431,585x = 92,922,466,536,900
  5. Step 5: Solve for x
    x = 92,922,466,536,900/4,431,585
  6. Step 6: Final answer
    x = 20,968,223.91

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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.