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Finding the Third Proportional to 236,928 and 513,168

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Solution

The third proportional to 236,928 and 513,168 is: 1,111,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,928 : 513,168 = 513,168 : x
  2. Step 2: Convert to fraction form
    236,928/513,168 = 513,168/x
  3. Step 3: Cross multiply
    236,928x = 513,168 × 513,168
  4. Step 4: Simplify right side
    236,928x = 263,341,396,224
  5. Step 5: Solve for x
    x = 263,341,396,224/236,928
  6. Step 6: Final answer
    x = 1,111,482.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.