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Finding the Third Proportional to 647,550 and 971,326

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Solution

The third proportional to 647,550 and 971,326 is: 1,456,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,550 : 971,326 = 971,326 : x
  2. Step 2: Convert to fraction form
    647,550/971,326 = 971,326/x
  3. Step 3: Cross multiply
    647,550x = 971,326 × 971,326
  4. Step 4: Simplify right side
    647,550x = 943,474,198,276
  5. Step 5: Solve for x
    x = 943,474,198,276/647,550
  6. Step 6: Final answer
    x = 1,456,990.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.