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Finding the Third Proportional to 812,207 and 1,262,608

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Solution

The third proportional to 812,207 and 1,262,608 is: 1,962,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,207 : 1,262,608 = 1,262,608 : x
  2. Step 2: Convert to fraction form
    812,207/1,262,608 = 1,262,608/x
  3. Step 3: Cross multiply
    812,207x = 1,262,608 × 1,262,608
  4. Step 4: Simplify right side
    812,207x = 1,594,178,961,664
  5. Step 5: Solve for x
    x = 1,594,178,961,664/812,207
  6. Step 6: Final answer
    x = 1,962,774.22

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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.