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Finding the Third Proportional to 207,974 and 297,185

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Solution

The third proportional to 207,974 and 297,185 is: 424,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,974 : 297,185 = 297,185 : x
  2. Step 2: Convert to fraction form
    207,974/297,185 = 297,185/x
  3. Step 3: Cross multiply
    207,974x = 297,185 × 297,185
  4. Step 4: Simplify right side
    207,974x = 88,318,924,225
  5. Step 5: Solve for x
    x = 88,318,924,225/207,974
  6. Step 6: Final answer
    x = 424,663.30

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.