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Finding the Third Proportional to 70,215.75 and 153,568.13

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Solution

The third proportional to 70,215.75 and 153,568.13 is: 335,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,215.75 : 153,568.13 = 153,568.13 : x
  2. Step 2: Convert to fraction form
    70,215.75/153,568.13 = 153,568.13/x
  3. Step 3: Cross multiply
    70,215.75x = 153,568.13 × 153,568.13
  4. Step 4: Simplify right side
    70,215.75x = 23,583,169,016.02
  5. Step 5: Solve for x
    x = 23,583,169,016.02/70,215.75
  6. Step 6: Final answer
    x = 335,867.22

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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.