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Finding the Third Proportional to 253,335 and 356,310

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Solution

The third proportional to 253,335 and 356,310 is: 501,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,335 : 356,310 = 356,310 : x
  2. Step 2: Convert to fraction form
    253,335/356,310 = 356,310/x
  3. Step 3: Cross multiply
    253,335x = 356,310 × 356,310
  4. Step 4: Simplify right side
    253,335x = 126,956,816,100
  5. Step 5: Solve for x
    x = 126,956,816,100/253,335
  6. Step 6: Final answer
    x = 501,142.03

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.