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Finding the Third Proportional to 788,636.75 and 1,715,669.75

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Solution

The third proportional to 788,636.75 and 1,715,669.75 is: 3,732,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,636.75 : 1,715,669.75 = 1,715,669.75 : x
  2. Step 2: Convert to fraction form
    788,636.75/1,715,669.75 = 1,715,669.75/x
  3. Step 3: Cross multiply
    788,636.75x = 1,715,669.75 × 1,715,669.75
  4. Step 4: Simplify right side
    788,636.75x = 2,943,522,691,065.06
  5. Step 5: Solve for x
    x = 2,943,522,691,065.06/788,636.75
  6. Step 6: Final answer
    x = 3,732,418.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.