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Finding the Third Proportional to 195,648 and 310,982

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Solution

The third proportional to 195,648 and 310,982 is: 494,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,648 : 310,982 = 310,982 : x
  2. Step 2: Convert to fraction form
    195,648/310,982 = 310,982/x
  3. Step 3: Cross multiply
    195,648x = 310,982 × 310,982
  4. Step 4: Simplify right side
    195,648x = 96,709,804,324
  5. Step 5: Solve for x
    x = 96,709,804,324/195,648
  6. Step 6: Final answer
    x = 494,305.10

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.