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Finding the Third Proportional to 153,175.50 and 237,721.50

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Solution

The third proportional to 153,175.50 and 237,721.50 is: 368,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,175.50 : 237,721.50 = 237,721.50 : x
  2. Step 2: Convert to fraction form
    153,175.50/237,721.50 = 237,721.50/x
  3. Step 3: Cross multiply
    153,175.50x = 237,721.50 × 237,721.50
  4. Step 4: Simplify right side
    153,175.50x = 56,511,511,562.25
  5. Step 5: Solve for x
    x = 56,511,511,562.25/153,175.50
  6. Step 6: Final answer
    x = 368,933.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.