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Finding the Third Proportional to 63,145.50 and 139,467

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Solution

The third proportional to 63,145.50 and 139,467 is: 308,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,145.50 : 139,467 = 139,467 : x
  2. Step 2: Convert to fraction form
    63,145.50/139,467 = 139,467/x
  3. Step 3: Cross multiply
    63,145.50x = 139,467 × 139,467
  4. Step 4: Simplify right side
    63,145.50x = 19,451,044,089
  5. Step 5: Solve for x
    x = 19,451,044,089/63,145.50
  6. Step 6: Final answer
    x = 308,035.32

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These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.