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Finding the Third Proportional to 392,058 and 576,603.50

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Solution

The third proportional to 392,058 and 576,603.50 is: 848,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,058 : 576,603.50 = 576,603.50 : x
  2. Step 2: Convert to fraction form
    392,058/576,603.50 = 576,603.50/x
  3. Step 3: Cross multiply
    392,058x = 576,603.50 × 576,603.50
  4. Step 4: Simplify right side
    392,058x = 332,471,596,212.25
  5. Step 5: Solve for x
    x = 332,471,596,212.25/392,058
  6. Step 6: Final answer
    x = 848,016.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.