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Finding the Third Proportional to 7,639,934 and 16,539,580

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Solution

The third proportional to 7,639,934 and 16,539,580 is: 35,806,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,934 : 16,539,580 = 16,539,580 : x
  2. Step 2: Convert to fraction form
    7,639,934/16,539,580 = 16,539,580/x
  3. Step 3: Cross multiply
    7,639,934x = 16,539,580 × 16,539,580
  4. Step 4: Simplify right side
    7,639,934x = 273,557,706,576,400
  5. Step 5: Solve for x
    x = 273,557,706,576,400/7,639,934
  6. Step 6: Final answer
    x = 35,806,291.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.