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Finding the Third Proportional to 64,327.50 and 99,009

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Solution

The third proportional to 64,327.50 and 99,009 is: 152,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,327.50 : 99,009 = 99,009 : x
  2. Step 2: Convert to fraction form
    64,327.50/99,009 = 99,009/x
  3. Step 3: Cross multiply
    64,327.50x = 99,009 × 99,009
  4. Step 4: Simplify right side
    64,327.50x = 9,802,782,081
  5. Step 5: Solve for x
    x = 9,802,782,081/64,327.50
  6. Step 6: Final answer
    x = 152,388.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.