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Finding the Third Proportional to 4,639,897 and 10,221,986

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Solution

The third proportional to 4,639,897 and 10,221,986 is: 22,519,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639,897 : 10,221,986 = 10,221,986 : x
  2. Step 2: Convert to fraction form
    4,639,897/10,221,986 = 10,221,986/x
  3. Step 3: Cross multiply
    4,639,897x = 10,221,986 × 10,221,986
  4. Step 4: Simplify right side
    4,639,897x = 104,488,997,784,196
  5. Step 5: Solve for x
    x = 104,488,997,784,196/4,639,897
  6. Step 6: Final answer
    x = 22,519,680.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.