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Finding the Third Proportional to 242,928 and 513,552

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Solution

The third proportional to 242,928 and 513,552 is: 1,085,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,928 : 513,552 = 513,552 : x
  2. Step 2: Convert to fraction form
    242,928/513,552 = 513,552/x
  3. Step 3: Cross multiply
    242,928x = 513,552 × 513,552
  4. Step 4: Simplify right side
    242,928x = 263,735,656,704
  5. Step 5: Solve for x
    x = 263,735,656,704/242,928
  6. Step 6: Final answer
    x = 1,085,653.60

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.