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Finding the Third Proportional to 631,333.93 and 979,570.97

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Solution

The third proportional to 631,333.93 and 979,570.97 is: 1,519,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,333.93 : 979,570.97 = 979,570.97 : x
  2. Step 2: Convert to fraction form
    631,333.93/979,570.97 = 979,570.97/x
  3. Step 3: Cross multiply
    631,333.93x = 979,570.97 × 979,570.97
  4. Step 4: Simplify right side
    631,333.93x = 959,559,282,817.81
  5. Step 5: Solve for x
    x = 959,559,282,817.81/631,333.93
  6. Step 6: Final answer
    x = 1,519,891.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.