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Finding the Third Proportional to 351,087.75 and 756,411.75

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Solution

The third proportional to 351,087.75 and 756,411.75 is: 1,629,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,087.75 : 756,411.75 = 756,411.75 : x
  2. Step 2: Convert to fraction form
    351,087.75/756,411.75 = 756,411.75/x
  3. Step 3: Cross multiply
    351,087.75x = 756,411.75 × 756,411.75
  4. Step 4: Simplify right side
    351,087.75x = 572,158,735,538.06
  5. Step 5: Solve for x
    x = 572,158,735,538.06/351,087.75
  6. Step 6: Final answer
    x = 1,629,674.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.