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Finding the Third Proportional to 154,384.50 and 313,062

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Solution

The third proportional to 154,384.50 and 313,062 is: 634,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,384.50 : 313,062 = 313,062 : x
  2. Step 2: Convert to fraction form
    154,384.50/313,062 = 313,062/x
  3. Step 3: Cross multiply
    154,384.50x = 313,062 × 313,062
  4. Step 4: Simplify right side
    154,384.50x = 98,007,815,844
  5. Step 5: Solve for x
    x = 98,007,815,844/154,384.50
  6. Step 6: Final answer
    x = 634,829.38

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.