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Finding the Third Proportional to 229,862 and 356,822

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Solution

The third proportional to 229,862 and 356,822 is: 553,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,862 : 356,822 = 356,822 : x
  2. Step 2: Convert to fraction form
    229,862/356,822 = 356,822/x
  3. Step 3: Cross multiply
    229,862x = 356,822 × 356,822
  4. Step 4: Simplify right side
    229,862x = 127,321,939,684
  5. Step 5: Solve for x
    x = 127,321,939,684/229,862
  6. Step 6: Final answer
    x = 553,905.99

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.