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Finding the Third Proportional to 1,286,518.50 and 2,739,429

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Solution

The third proportional to 1,286,518.50 and 2,739,429 is: 5,833,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,518.50 : 2,739,429 = 2,739,429 : x
  2. Step 2: Convert to fraction form
    1,286,518.50/2,739,429 = 2,739,429/x
  3. Step 3: Cross multiply
    1,286,518.50x = 2,739,429 × 2,739,429
  4. Step 4: Simplify right side
    1,286,518.50x = 7,504,471,246,041
  5. Step 5: Solve for x
    x = 7,504,471,246,041/1,286,518.50
  6. Step 6: Final answer
    x = 5,833,162.33

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.