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Finding the Third Proportional to 4,216,532 and 9,272,724

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Solution

The third proportional to 4,216,532 and 9,272,724 is: 20,391,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216,532 : 9,272,724 = 9,272,724 : x
  2. Step 2: Convert to fraction form
    4,216,532/9,272,724 = 9,272,724/x
  3. Step 3: Cross multiply
    4,216,532x = 9,272,724 × 9,272,724
  4. Step 4: Simplify right side
    4,216,532x = 85,983,410,380,176
  5. Step 5: Solve for x
    x = 85,983,410,380,176/4,216,532
  6. Step 6: Final answer
    x = 20,391,973.87

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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.