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Finding the Third Proportional to 2,668,842 and 4,130,919

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Solution

The third proportional to 2,668,842 and 4,130,919 is: 6,393,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,842 : 4,130,919 = 4,130,919 : x
  2. Step 2: Convert to fraction form
    2,668,842/4,130,919 = 4,130,919/x
  3. Step 3: Cross multiply
    2,668,842x = 4,130,919 × 4,130,919
  4. Step 4: Simplify right side
    2,668,842x = 17,064,491,784,561
  5. Step 5: Solve for x
    x = 17,064,491,784,561/2,668,842
  6. Step 6: Final answer
    x = 6,393,968.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.