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Finding the Third Proportional to 690,352.88 and 1,476,650.25

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Solution

The third proportional to 690,352.88 and 1,476,650.25 is: 3,158,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,352.88 : 1,476,650.25 = 1,476,650.25 : x
  2. Step 2: Convert to fraction form
    690,352.88/1,476,650.25 = 1,476,650.25/x
  3. Step 3: Cross multiply
    690,352.88x = 1,476,650.25 × 1,476,650.25
  4. Step 4: Simplify right side
    690,352.88x = 2,180,495,960,825.06
  5. Step 5: Solve for x
    x = 2,180,495,960,825.06/690,352.88
  6. Step 6: Final answer
    x = 3,158,523.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.