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Finding the Third Proportional to 4,486,117.50 and 9,794,407.50

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Solution

The third proportional to 4,486,117.50 and 9,794,407.50 is: 21,383,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486,117.50 : 9,794,407.50 = 9,794,407.50 : x
  2. Step 2: Convert to fraction form
    4,486,117.50/9,794,407.50 = 9,794,407.50/x
  3. Step 3: Cross multiply
    4,486,117.50x = 9,794,407.50 × 9,794,407.50
  4. Step 4: Simplify right side
    4,486,117.50x = 95,930,418,276,056.25
  5. Step 5: Solve for x
    x = 95,930,418,276,056.25/4,486,117.50
  6. Step 6: Final answer
    x = 21,383,839.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.