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Finding the Third Proportional to 266,080 and 401,886

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Solution

The third proportional to 266,080 and 401,886 is: 607,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,080 : 401,886 = 401,886 : x
  2. Step 2: Convert to fraction form
    266,080/401,886 = 401,886/x
  3. Step 3: Cross multiply
    266,080x = 401,886 × 401,886
  4. Step 4: Simplify right side
    266,080x = 161,512,356,996
  5. Step 5: Solve for x
    x = 161,512,356,996/266,080
  6. Step 6: Final answer
    x = 607,006.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.