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Finding the Third Proportional to 98,982 and 213,588

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Solution

The third proportional to 98,982 and 213,588 is: 460,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982 : 213,588 = 213,588 : x
  2. Step 2: Convert to fraction form
    98,982/213,588 = 213,588/x
  3. Step 3: Cross multiply
    98,982x = 213,588 × 213,588
  4. Step 4: Simplify right side
    98,982x = 45,619,833,744
  5. Step 5: Solve for x
    x = 45,619,833,744/98,982
  6. Step 6: Final answer
    x = 460,890.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.