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Finding the Third Proportional to 401,896 and 545,826

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Solution

The third proportional to 401,896 and 545,826 is: 741,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,896 : 545,826 = 545,826 : x
  2. Step 2: Convert to fraction form
    401,896/545,826 = 545,826/x
  3. Step 3: Cross multiply
    401,896x = 545,826 × 545,826
  4. Step 4: Simplify right side
    401,896x = 297,926,022,276
  5. Step 5: Solve for x
    x = 297,926,022,276/401,896
  6. Step 6: Final answer
    x = 741,301.29

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.