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Finding the Third Proportional to 401,844 and 545,756

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Solution

The third proportional to 401,844 and 545,756 is: 741,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,844 : 545,756 = 545,756 : x
  2. Step 2: Convert to fraction form
    401,844/545,756 = 545,756/x
  3. Step 3: Cross multiply
    401,844x = 545,756 × 545,756
  4. Step 4: Simplify right side
    401,844x = 297,849,611,536
  5. Step 5: Solve for x
    x = 297,849,611,536/401,844
  6. Step 6: Final answer
    x = 741,207.06

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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.