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Finding the Third Proportional to 510.75 and 1,112.63

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Solution

The third proportional to 510.75 and 1,112.63 is: 2,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.75 : 1,112.63 = 1,112.63 : x
  2. Step 2: Convert to fraction form
    510.75/1,112.63 = 1,112.63/x
  3. Step 3: Cross multiply
    510.75x = 1,112.63 × 1,112.63
  4. Step 4: Simplify right side
    510.75x = 1,237,934.39
  5. Step 5: Solve for x
    x = 1,237,934.39/510.75
  6. Step 6: Final answer
    x = 2,423.76

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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.