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Finding the Third Proportional to 155,371.50 and 228,136.50

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Solution

The third proportional to 155,371.50 and 228,136.50 is: 334,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,371.50 : 228,136.50 = 228,136.50 : x
  2. Step 2: Convert to fraction form
    155,371.50/228,136.50 = 228,136.50/x
  3. Step 3: Cross multiply
    155,371.50x = 228,136.50 × 228,136.50
  4. Step 4: Simplify right side
    155,371.50x = 52,046,262,632.25
  5. Step 5: Solve for x
    x = 52,046,262,632.25/155,371.50
  6. Step 6: Final answer
    x = 334,979.47

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.