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Finding the Third Proportional to 153,240.50 and 237,879.50

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Solution

The third proportional to 153,240.50 and 237,879.50 is: 369,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,240.50 : 237,879.50 = 237,879.50 : x
  2. Step 2: Convert to fraction form
    153,240.50/237,879.50 = 237,879.50/x
  3. Step 3: Cross multiply
    153,240.50x = 237,879.50 × 237,879.50
  4. Step 4: Simplify right side
    153,240.50x = 56,586,656,520.25
  5. Step 5: Solve for x
    x = 56,586,656,520.25/153,240.50
  6. Step 6: Final answer
    x = 369,266.98

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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.