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Finding the Third Proportional to 97,765 and 214,210

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Solution

The third proportional to 97,765 and 214,210 is: 469,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,765 : 214,210 = 214,210 : x
  2. Step 2: Convert to fraction form
    97,765/214,210 = 214,210/x
  3. Step 3: Cross multiply
    97,765x = 214,210 × 214,210
  4. Step 4: Simplify right side
    97,765x = 45,885,924,100
  5. Step 5: Solve for x
    x = 45,885,924,100/97,765
  6. Step 6: Final answer
    x = 469,349.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.