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Finding the Third Proportional to 178,572.50 and 242,520.50

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Solution

The third proportional to 178,572.50 and 242,520.50 is: 329,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,572.50 : 242,520.50 = 242,520.50 : x
  2. Step 2: Convert to fraction form
    178,572.50/242,520.50 = 242,520.50/x
  3. Step 3: Cross multiply
    178,572.50x = 242,520.50 × 242,520.50
  4. Step 4: Simplify right side
    178,572.50x = 58,816,192,920.25
  5. Step 5: Solve for x
    x = 58,816,192,920.25/178,572.50
  6. Step 6: Final answer
    x = 329,368.70

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.