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Finding the Third Proportional to 97,446 and 212,880

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Solution

The third proportional to 97,446 and 212,880 is: 465,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,446 : 212,880 = 212,880 : x
  2. Step 2: Convert to fraction form
    97,446/212,880 = 212,880/x
  3. Step 3: Cross multiply
    97,446x = 212,880 × 212,880
  4. Step 4: Simplify right side
    97,446x = 45,317,894,400
  5. Step 5: Solve for x
    x = 45,317,894,400/97,446
  6. Step 6: Final answer
    x = 465,056.49

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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.