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Finding the Third Proportional to 4,428,749 and 6,620,007

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Solution

The third proportional to 4,428,749 and 6,620,007 is: 9,895,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,749 : 6,620,007 = 6,620,007 : x
  2. Step 2: Convert to fraction form
    4,428,749/6,620,007 = 6,620,007/x
  3. Step 3: Cross multiply
    4,428,749x = 6,620,007 × 6,620,007
  4. Step 4: Simplify right side
    4,428,749x = 43,824,492,680,049
  5. Step 5: Solve for x
    x = 43,824,492,680,049/4,428,749
  6. Step 6: Final answer
    x = 9,895,456.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.