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Finding the Third Proportional to 1,385,271 and 2,072,331

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Solution

The third proportional to 1,385,271 and 2,072,331 is: 3,100,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,271 : 2,072,331 = 2,072,331 : x
  2. Step 2: Convert to fraction form
    1,385,271/2,072,331 = 2,072,331/x
  3. Step 3: Cross multiply
    1,385,271x = 2,072,331 × 2,072,331
  4. Step 4: Simplify right side
    1,385,271x = 4,294,555,773,561
  5. Step 5: Solve for x
    x = 4,294,555,773,561/1,385,271
  6. Step 6: Final answer
    x = 3,100,155.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.