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Finding the Third Proportional to 66,309 and 104,998.50

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Solution

The third proportional to 66,309 and 104,998.50 is: 166,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309 : 104,998.50 = 104,998.50 : x
  2. Step 2: Convert to fraction form
    66,309/104,998.50 = 104,998.50/x
  3. Step 3: Cross multiply
    66,309x = 104,998.50 × 104,998.50
  4. Step 4: Simplify right side
    66,309x = 11,024,685,002.25
  5. Step 5: Solve for x
    x = 11,024,685,002.25/66,309
  6. Step 6: Final answer
    x = 166,262.27

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.