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Finding the Third Proportional to 248,790 and 530,104

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Solution

The third proportional to 248,790 and 530,104 is: 1,129,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,790 : 530,104 = 530,104 : x
  2. Step 2: Convert to fraction form
    248,790/530,104 = 530,104/x
  3. Step 3: Cross multiply
    248,790x = 530,104 × 530,104
  4. Step 4: Simplify right side
    248,790x = 281,010,250,816
  5. Step 5: Solve for x
    x = 281,010,250,816/248,790
  6. Step 6: Final answer
    x = 1,129,507.82

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.