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Finding the Third Proportional to 192,381.75 and 417,618

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Solution

The third proportional to 192,381.75 and 417,618 is: 906,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,381.75 : 417,618 = 417,618 : x
  2. Step 2: Convert to fraction form
    192,381.75/417,618 = 417,618/x
  3. Step 3: Cross multiply
    192,381.75x = 417,618 × 417,618
  4. Step 4: Simplify right side
    192,381.75x = 174,404,793,924
  5. Step 5: Solve for x
    x = 174,404,793,924/192,381.75
  6. Step 6: Final answer
    x = 906,555.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.