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Finding the Third Proportional to 97,632 and 213,168

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Solution

The third proportional to 97,632 and 213,168 is: 465,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,632 : 213,168 = 213,168 : x
  2. Step 2: Convert to fraction form
    97,632/213,168 = 213,168/x
  3. Step 3: Cross multiply
    97,632x = 213,168 × 213,168
  4. Step 4: Simplify right side
    97,632x = 45,440,596,224
  5. Step 5: Solve for x
    x = 45,440,596,224/97,632
  6. Step 6: Final answer
    x = 465,427.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.