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Finding the Third Proportional to 148,536.75 and 320,747.25

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Solution

The third proportional to 148,536.75 and 320,747.25 is: 692,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,536.75 : 320,747.25 = 320,747.25 : x
  2. Step 2: Convert to fraction form
    148,536.75/320,747.25 = 320,747.25/x
  3. Step 3: Cross multiply
    148,536.75x = 320,747.25 × 320,747.25
  4. Step 4: Simplify right side
    148,536.75x = 102,878,798,382.56
  5. Step 5: Solve for x
    x = 102,878,798,382.56/148,536.75
  6. Step 6: Final answer
    x = 692,615.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.