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Finding the Third Proportional to 513,569 and 1,145,157

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Solution

The third proportional to 513,569 and 1,145,157 is: 2,553,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,569 : 1,145,157 = 1,145,157 : x
  2. Step 2: Convert to fraction form
    513,569/1,145,157 = 1,145,157/x
  3. Step 3: Cross multiply
    513,569x = 1,145,157 × 1,145,157
  4. Step 4: Simplify right side
    513,569x = 1,311,384,554,649
  5. Step 5: Solve for x
    x = 1,311,384,554,649/513,569
  6. Step 6: Final answer
    x = 2,553,472.96

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.