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Finding the Third Proportional to 97,486 and 212,600

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Solution

The third proportional to 97,486 and 212,600 is: 463,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,486 : 212,600 = 212,600 : x
  2. Step 2: Convert to fraction form
    97,486/212,600 = 212,600/x
  3. Step 3: Cross multiply
    97,486x = 212,600 × 212,600
  4. Step 4: Simplify right side
    97,486x = 45,198,760,000
  5. Step 5: Solve for x
    x = 45,198,760,000/97,486
  6. Step 6: Final answer
    x = 463,643.60

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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.