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Finding the Third Proportional to 97,292 and 213,739

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Solution

The third proportional to 97,292 and 213,739 is: 469,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,292 : 213,739 = 213,739 : x
  2. Step 2: Convert to fraction form
    97,292/213,739 = 213,739/x
  3. Step 3: Cross multiply
    97,292x = 213,739 × 213,739
  4. Step 4: Simplify right side
    97,292x = 45,684,360,121
  5. Step 5: Solve for x
    x = 45,684,360,121/97,292
  6. Step 6: Final answer
    x = 469,559.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.