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Finding the Third Proportional to 70,125.75 and 153,839.25

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Solution

The third proportional to 70,125.75 and 153,839.25 is: 337,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,125.75 : 153,839.25 = 153,839.25 : x
  2. Step 2: Convert to fraction form
    70,125.75/153,839.25 = 153,839.25/x
  3. Step 3: Cross multiply
    70,125.75x = 153,839.25 × 153,839.25
  4. Step 4: Simplify right side
    70,125.75x = 23,666,514,840.56
  5. Step 5: Solve for x
    x = 23,666,514,840.56/70,125.75
  6. Step 6: Final answer
    x = 337,486.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.