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Finding the Third Proportional to 1,808,821.13 and 2,879,281.69

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Solution

The third proportional to 1,808,821.13 and 2,879,281.69 is: 4,583,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,821.13 : 2,879,281.69 = 2,879,281.69 : x
  2. Step 2: Convert to fraction form
    1,808,821.13/2,879,281.69 = 2,879,281.69/x
  3. Step 3: Cross multiply
    1,808,821.13x = 2,879,281.69 × 2,879,281.69
  4. Step 4: Simplify right side
    1,808,821.13x = 8,290,263,035,972.85
  5. Step 5: Solve for x
    x = 8,290,263,035,972.85/1,808,821.13
  6. Step 6: Final answer
    x = 4,583,240.94

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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.