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Finding the Third Proportional to 816,505 and 1,773,220

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Solution

The third proportional to 816,505 and 1,773,220 is: 3,850,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,505 : 1,773,220 = 1,773,220 : x
  2. Step 2: Convert to fraction form
    816,505/1,773,220 = 1,773,220/x
  3. Step 3: Cross multiply
    816,505x = 1,773,220 × 1,773,220
  4. Step 4: Simplify right side
    816,505x = 3,144,309,168,400
  5. Step 5: Solve for x
    x = 3,144,309,168,400/816,505
  6. Step 6: Final answer
    x = 3,850,936.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.