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Finding the Third Proportional to 254,880 and 356,562

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Solution

The third proportional to 254,880 and 356,562 is: 498,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,880 : 356,562 = 356,562 : x
  2. Step 2: Convert to fraction form
    254,880/356,562 = 356,562/x
  3. Step 3: Cross multiply
    254,880x = 356,562 × 356,562
  4. Step 4: Simplify right side
    254,880x = 127,136,459,844
  5. Step 5: Solve for x
    x = 127,136,459,844/254,880
  6. Step 6: Final answer
    x = 498,809.09

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.