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Finding the Third Proportional to 153,727.88 and 325,022.63

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Solution

The third proportional to 153,727.88 and 325,022.63 is: 687,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,727.88 : 325,022.63 = 325,022.63 : x
  2. Step 2: Convert to fraction form
    153,727.88/325,022.63 = 325,022.63/x
  3. Step 3: Cross multiply
    153,727.88x = 325,022.63 × 325,022.63
  4. Step 4: Simplify right side
    153,727.88x = 105,639,706,761.89
  5. Step 5: Solve for x
    x = 105,639,706,761.89/153,727.88
  6. Step 6: Final answer
    x = 687,186.41

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.