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Finding the Third Proportional to 589,834.50 and 1,290,057

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Solution

The third proportional to 589,834.50 and 1,290,057 is: 2,821,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,834.50 : 1,290,057 = 1,290,057 : x
  2. Step 2: Convert to fraction form
    589,834.50/1,290,057 = 1,290,057/x
  3. Step 3: Cross multiply
    589,834.50x = 1,290,057 × 1,290,057
  4. Step 4: Simplify right side
    589,834.50x = 1,664,247,063,249
  5. Step 5: Solve for x
    x = 1,664,247,063,249/589,834.50
  6. Step 6: Final answer
    x = 2,821,549.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.