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Finding the Third Proportional to 1,990,423.50 and 3,002,130

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Solution

The third proportional to 1,990,423.50 and 3,002,130 is: 4,528,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,423.50 : 3,002,130 = 3,002,130 : x
  2. Step 2: Convert to fraction form
    1,990,423.50/3,002,130 = 3,002,130/x
  3. Step 3: Cross multiply
    1,990,423.50x = 3,002,130 × 3,002,130
  4. Step 4: Simplify right side
    1,990,423.50x = 9,012,784,536,900
  5. Step 5: Solve for x
    x = 9,012,784,536,900/1,990,423.50
  6. Step 6: Final answer
    x = 4,528,073.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.