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Finding the Third Proportional to 200,841 and 310,983

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Solution

The third proportional to 200,841 and 310,983 is: 481,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,841 : 310,983 = 310,983 : x
  2. Step 2: Convert to fraction form
    200,841/310,983 = 310,983/x
  3. Step 3: Cross multiply
    200,841x = 310,983 × 310,983
  4. Step 4: Simplify right side
    200,841x = 96,710,426,289
  5. Step 5: Solve for x
    x = 96,710,426,289/200,841
  6. Step 6: Final answer
    x = 481,527.31

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.