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Finding the Third Proportional to 97,372 and 212,768

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Solution

The third proportional to 97,372 and 212,768 is: 464,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,372 : 212,768 = 212,768 : x
  2. Step 2: Convert to fraction form
    97,372/212,768 = 212,768/x
  3. Step 3: Cross multiply
    97,372x = 212,768 × 212,768
  4. Step 4: Simplify right side
    97,372x = 45,270,221,824
  5. Step 5: Solve for x
    x = 45,270,221,824/97,372
  6. Step 6: Final answer
    x = 464,920.32

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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.