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Finding the Third Proportional to 366,868 and 803,215

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Solution

The third proportional to 366,868 and 803,215 is: 1,758,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,868 : 803,215 = 803,215 : x
  2. Step 2: Convert to fraction form
    366,868/803,215 = 803,215/x
  3. Step 3: Cross multiply
    366,868x = 803,215 × 803,215
  4. Step 4: Simplify right side
    366,868x = 645,154,336,225
  5. Step 5: Solve for x
    x = 645,154,336,225/366,868
  6. Step 6: Final answer
    x = 1,758,546.22

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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.