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Finding the Third Proportional to 510 and 1,011

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Solution

The third proportional to 510 and 1,011 is: 2,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    510 : 1,011 = 1,011 : x
  2. Step 2: Convert to fraction form
    510/1,011 = 1,011/x
  3. Step 3: Cross multiply
    510x = 1,011 × 1,011
  4. Step 4: Simplify right side
    510x = 1,022,121
  5. Step 5: Solve for x
    x = 1,022,121/510
  6. Step 6: Final answer
    x = 2,004.16

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.