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Finding the Third Proportional to 336,342.38 and 505,926

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Solution

The third proportional to 336,342.38 and 505,926 is: 761,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,342.38 : 505,926 = 505,926 : x
  2. Step 2: Convert to fraction form
    336,342.38/505,926 = 505,926/x
  3. Step 3: Cross multiply
    336,342.38x = 505,926 × 505,926
  4. Step 4: Simplify right side
    336,342.38x = 255,961,117,476
  5. Step 5: Solve for x
    x = 255,961,117,476/336,342.38
  6. Step 6: Final answer
    x = 761,013.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.