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Finding the Third Proportional to 520,147 and 1,135,550

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Solution

The third proportional to 520,147 and 1,135,550 is: 2,479,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,147 : 1,135,550 = 1,135,550 : x
  2. Step 2: Convert to fraction form
    520,147/1,135,550 = 1,135,550/x
  3. Step 3: Cross multiply
    520,147x = 1,135,550 × 1,135,550
  4. Step 4: Simplify right side
    520,147x = 1,289,473,802,500
  5. Step 5: Solve for x
    x = 1,289,473,802,500/520,147
  6. Step 6: Final answer
    x = 2,479,056.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.