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Finding the Third Proportional to 240,426 and 374,247

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Solution

The third proportional to 240,426 and 374,247 is: 582,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,426 : 374,247 = 374,247 : x
  2. Step 2: Convert to fraction form
    240,426/374,247 = 374,247/x
  3. Step 3: Cross multiply
    240,426x = 374,247 × 374,247
  4. Step 4: Simplify right side
    240,426x = 140,060,817,009
  5. Step 5: Solve for x
    x = 140,060,817,009/240,426
  6. Step 6: Final answer
    x = 582,552.71

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.