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Finding the Third Proportional to 69,276.09 and 148,912.03

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Solution

The third proportional to 69,276.09 and 148,912.03 is: 320,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,276.09 : 148,912.03 = 148,912.03 : x
  2. Step 2: Convert to fraction form
    69,276.09/148,912.03 = 148,912.03/x
  3. Step 3: Cross multiply
    69,276.09x = 148,912.03 × 148,912.03
  4. Step 4: Simplify right side
    69,276.09x = 22,174,793,051.00
  5. Step 5: Solve for x
    x = 22,174,793,051.00/69,276.09
  6. Step 6: Final answer
    x = 320,093.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.