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Finding the Third Proportional to 641,853.56 and 999,585.56

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Solution

The third proportional to 641,853.56 and 999,585.56 is: 1,556,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,853.56 : 999,585.56 = 999,585.56 : x
  2. Step 2: Convert to fraction form
    641,853.56/999,585.56 = 999,585.56/x
  3. Step 3: Cross multiply
    641,853.56x = 999,585.56 × 999,585.56
  4. Step 4: Simplify right side
    641,853.56x = 999,171,296,758.44
  5. Step 5: Solve for x
    x = 999,171,296,758.44/641,853.56
  6. Step 6: Final answer
    x = 1,556,696.66

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.