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Finding the Third Proportional to 3,984,358.50 and 8,711,919

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Solution

The third proportional to 3,984,358.50 and 8,711,919 is: 19,048,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,358.50 : 8,711,919 = 8,711,919 : x
  2. Step 2: Convert to fraction form
    3,984,358.50/8,711,919 = 8,711,919/x
  3. Step 3: Cross multiply
    3,984,358.50x = 8,711,919 × 8,711,919
  4. Step 4: Simplify right side
    3,984,358.50x = 75,897,532,662,561
  5. Step 5: Solve for x
    x = 75,897,532,662,561/3,984,358.50
  6. Step 6: Final answer
    x = 19,048,871.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.