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Finding the Third Proportional to 379,062.91 and 824,555.95

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Solution

The third proportional to 379,062.91 and 824,555.95 is: 1,793,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,062.91 : 824,555.95 = 824,555.95 : x
  2. Step 2: Convert to fraction form
    379,062.91/824,555.95 = 824,555.95/x
  3. Step 3: Cross multiply
    379,062.91x = 824,555.95 × 824,555.95
  4. Step 4: Simplify right side
    379,062.91x = 679,892,519,833.88
  5. Step 5: Solve for x
    x = 679,892,519,833.88/379,062.91
  6. Step 6: Final answer
    x = 1,793,613.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.