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Finding the Third Proportional to 1,886,157 and 2,991,561

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Solution

The third proportional to 1,886,157 and 2,991,561 is: 4,744,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,157 : 2,991,561 = 2,991,561 : x
  2. Step 2: Convert to fraction form
    1,886,157/2,991,561 = 2,991,561/x
  3. Step 3: Cross multiply
    1,886,157x = 2,991,561 × 2,991,561
  4. Step 4: Simplify right side
    1,886,157x = 8,949,437,216,721
  5. Step 5: Solve for x
    x = 8,949,437,216,721/1,886,157
  6. Step 6: Final answer
    x = 4,744,799.73

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.