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Finding the Third Proportional to 64,369 and 134,623.50

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Solution

The third proportional to 64,369 and 134,623.50 is: 281,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369 : 134,623.50 = 134,623.50 : x
  2. Step 2: Convert to fraction form
    64,369/134,623.50 = 134,623.50/x
  3. Step 3: Cross multiply
    64,369x = 134,623.50 × 134,623.50
  4. Step 4: Simplify right side
    64,369x = 18,123,486,752.25
  5. Step 5: Solve for x
    x = 18,123,486,752.25/64,369
  6. Step 6: Final answer
    x = 281,556.13

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.