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Finding the Third Proportional to 368,553 and 803,808

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Solution

The third proportional to 368,553 and 803,808 is: 1,753,091.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,553 : 803,808 = 803,808 : x
  2. Step 2: Convert to fraction form
    368,553/803,808 = 803,808/x
  3. Step 3: Cross multiply
    368,553x = 803,808 × 803,808
  4. Step 4: Simplify right side
    368,553x = 646,107,300,864
  5. Step 5: Solve for x
    x = 646,107,300,864/368,553
  6. Step 6: Final answer
    x = 1,753,091.96

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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.