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Finding the Third Proportional to 240,470 and 513,108

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Solution

The third proportional to 240,470 and 513,108 is: 1,094,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,470 : 513,108 = 513,108 : x
  2. Step 2: Convert to fraction form
    240,470/513,108 = 513,108/x
  3. Step 3: Cross multiply
    240,470x = 513,108 × 513,108
  4. Step 4: Simplify right side
    240,470x = 263,279,819,664
  5. Step 5: Solve for x
    x = 263,279,819,664/240,470
  6. Step 6: Final answer
    x = 1,094,855.16

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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.