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Finding the Third Proportional to 98,862 and 213,276

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Solution

The third proportional to 98,862 and 213,276 is: 460,102.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,862 : 213,276 = 213,276 : x
  2. Step 2: Convert to fraction form
    98,862/213,276 = 213,276/x
  3. Step 3: Cross multiply
    98,862x = 213,276 × 213,276
  4. Step 4: Simplify right side
    98,862x = 45,486,652,176
  5. Step 5: Solve for x
    x = 45,486,652,176/98,862
  6. Step 6: Final answer
    x = 460,102.49

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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.