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Finding the Third Proportional to 97,471 and 213,557

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Solution

The third proportional to 97,471 and 213,557 is: 467,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,471 : 213,557 = 213,557 : x
  2. Step 2: Convert to fraction form
    97,471/213,557 = 213,557/x
  3. Step 3: Cross multiply
    97,471x = 213,557 × 213,557
  4. Step 4: Simplify right side
    97,471x = 45,606,592,249
  5. Step 5: Solve for x
    x = 45,606,592,249/97,471
  6. Step 6: Final answer
    x = 467,899.09

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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.