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Finding the Third Proportional to 368,578.50 and 803,853

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Solution

The third proportional to 368,578.50 and 803,853 is: 1,753,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,578.50 : 803,853 = 803,853 : x
  2. Step 2: Convert to fraction form
    368,578.50/803,853 = 803,853/x
  3. Step 3: Cross multiply
    368,578.50x = 803,853 × 803,853
  4. Step 4: Simplify right side
    368,578.50x = 646,179,645,609
  5. Step 5: Solve for x
    x = 646,179,645,609/368,578.50
  6. Step 6: Final answer
    x = 1,753,166.95

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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.