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Finding the Third Proportional to 64,812 and 93,666

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Solution

The third proportional to 64,812 and 93,666 is: 135,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,812 : 93,666 = 93,666 : x
  2. Step 2: Convert to fraction form
    64,812/93,666 = 93,666/x
  3. Step 3: Cross multiply
    64,812x = 93,666 × 93,666
  4. Step 4: Simplify right side
    64,812x = 8,773,319,556
  5. Step 5: Solve for x
    x = 8,773,319,556/64,812
  6. Step 6: Final answer
    x = 135,365.67

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.