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Finding the Third Proportional to 1,329,445.41 and 1,993,666.92

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Solution

The third proportional to 1,329,445.41 and 1,993,666.92 is: 2,989,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,445.41 : 1,993,666.92 = 1,993,666.92 : x
  2. Step 2: Convert to fraction form
    1,329,445.41/1,993,666.92 = 1,993,666.92/x
  3. Step 3: Cross multiply
    1,329,445.41x = 1,993,666.92 × 1,993,666.92
  4. Step 4: Simplify right side
    1,329,445.41x = 3,974,707,795,378.54
  5. Step 5: Solve for x
    x = 3,974,707,795,378.54/1,329,445.41
  6. Step 6: Final answer
    x = 2,989,748.79

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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.