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Finding the Third Proportional to 97,818 and 203,289

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Solution

The third proportional to 97,818 and 203,289 is: 422,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,818 : 203,289 = 203,289 : x
  2. Step 2: Convert to fraction form
    97,818/203,289 = 203,289/x
  3. Step 3: Cross multiply
    97,818x = 203,289 × 203,289
  4. Step 4: Simplify right side
    97,818x = 41,326,417,521
  5. Step 5: Solve for x
    x = 41,326,417,521/97,818
  6. Step 6: Final answer
    x = 422,482.75

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.