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Finding the Third Proportional to 20,995,722.28 and 30,023,919

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Solution

The third proportional to 20,995,722.28 and 30,023,919 is: 42,934,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995,722.28 : 30,023,919 = 30,023,919 : x
  2. Step 2: Convert to fraction form
    20,995,722.28/30,023,919 = 30,023,919/x
  3. Step 3: Cross multiply
    20,995,722.28x = 30,023,919 × 30,023,919
  4. Step 4: Simplify right side
    20,995,722.28x = 901,435,712,118,561
  5. Step 5: Solve for x
    x = 901,435,712,118,561/20,995,722.28
  6. Step 6: Final answer
    x = 42,934,255.85

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.