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Finding the Third Proportional to 1,823.06 and 2,815.13

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Solution

The third proportional to 1,823.06 and 2,815.13 is: 4,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.06 : 2,815.13 = 2,815.13 : x
  2. Step 2: Convert to fraction form
    1,823.06/2,815.13 = 2,815.13/x
  3. Step 3: Cross multiply
    1,823.06x = 2,815.13 × 2,815.13
  4. Step 4: Simplify right side
    1,823.06x = 7,924,928.77
  5. Step 5: Solve for x
    x = 7,924,928.77/1,823.06
  6. Step 6: Final answer
    x = 4,347.04

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.