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Finding the Third Proportional to 569,961 and 889,447

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Solution

The third proportional to 569,961 and 889,447 is: 1,388,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,961 : 889,447 = 889,447 : x
  2. Step 2: Convert to fraction form
    569,961/889,447 = 889,447/x
  3. Step 3: Cross multiply
    569,961x = 889,447 × 889,447
  4. Step 4: Simplify right side
    569,961x = 791,115,965,809
  5. Step 5: Solve for x
    x = 791,115,965,809/569,961
  6. Step 6: Final answer
    x = 1,388,017.72

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.