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Finding the Third Proportional to 4,639,248 and 9,996,980

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Solution

The third proportional to 4,639,248 and 9,996,980 is: 21,542,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639,248 : 9,996,980 = 9,996,980 : x
  2. Step 2: Convert to fraction form
    4,639,248/9,996,980 = 9,996,980/x
  3. Step 3: Cross multiply
    4,639,248x = 9,996,980 × 9,996,980
  4. Step 4: Simplify right side
    4,639,248x = 99,939,609,120,400
  5. Step 5: Solve for x
    x = 99,939,609,120,400/4,639,248
  6. Step 6: Final answer
    x = 21,542,200.18

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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.