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Finding the Third Proportional to 145,639 and 226,231.50

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Solution

The third proportional to 145,639 and 226,231.50 is: 351,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,639 : 226,231.50 = 226,231.50 : x
  2. Step 2: Convert to fraction form
    145,639/226,231.50 = 226,231.50/x
  3. Step 3: Cross multiply
    145,639x = 226,231.50 × 226,231.50
  4. Step 4: Simplify right side
    145,639x = 51,180,691,592.25
  5. Step 5: Solve for x
    x = 51,180,691,592.25/145,639
  6. Step 6: Final answer
    x = 351,421.61

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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.