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Finding the Third Proportional to 240,310 and 519,168

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Solution

The third proportional to 240,310 and 519,168 is: 1,121,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,310 : 519,168 = 519,168 : x
  2. Step 2: Convert to fraction form
    240,310/519,168 = 519,168/x
  3. Step 3: Cross multiply
    240,310x = 519,168 × 519,168
  4. Step 4: Simplify right side
    240,310x = 269,535,412,224
  5. Step 5: Solve for x
    x = 269,535,412,224/240,310
  6. Step 6: Final answer
    x = 1,121,615.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.