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Finding the Third Proportional to 4,487,621 and 9,787,498

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Solution

The third proportional to 4,487,621 and 9,787,498 is: 21,346,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487,621 : 9,787,498 = 9,787,498 : x
  2. Step 2: Convert to fraction form
    4,487,621/9,787,498 = 9,787,498/x
  3. Step 3: Cross multiply
    4,487,621x = 9,787,498 × 9,787,498
  4. Step 4: Simplify right side
    4,487,621x = 95,795,117,100,004
  5. Step 5: Solve for x
    x = 95,795,117,100,004/4,487,621
  6. Step 6: Final answer
    x = 21,346,525.72

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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.