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Finding the Third Proportional to 1,993,446 and 2,989,545

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Solution

The third proportional to 1,993,446 and 2,989,545 is: 4,483,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,446 : 2,989,545 = 2,989,545 : x
  2. Step 2: Convert to fraction form
    1,993,446/2,989,545 = 2,989,545/x
  3. Step 3: Cross multiply
    1,993,446x = 2,989,545 × 2,989,545
  4. Step 4: Simplify right side
    1,993,446x = 8,937,379,307,025
  5. Step 5: Solve for x
    x = 8,937,379,307,025/1,993,446
  6. Step 6: Final answer
    x = 4,483,381.70

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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.