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Finding the Third Proportional to 366,853 and 553,979

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Solution

The third proportional to 366,853 and 553,979 is: 836,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,853 : 553,979 = 553,979 : x
  2. Step 2: Convert to fraction form
    366,853/553,979 = 553,979/x
  3. Step 3: Cross multiply
    366,853x = 553,979 × 553,979
  4. Step 4: Simplify right side
    366,853x = 306,892,732,441
  5. Step 5: Solve for x
    x = 306,892,732,441/366,853
  6. Step 6: Final answer
    x = 836,555.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.