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Finding the Third Proportional to 693,738 and 1,505,403

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Solution

The third proportional to 693,738 and 1,505,403 is: 3,266,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,738 : 1,505,403 = 1,505,403 : x
  2. Step 2: Convert to fraction form
    693,738/1,505,403 = 1,505,403/x
  3. Step 3: Cross multiply
    693,738x = 1,505,403 × 1,505,403
  4. Step 4: Simplify right side
    693,738x = 2,266,238,192,409
  5. Step 5: Solve for x
    x = 2,266,238,192,409/693,738
  6. Step 6: Final answer
    x = 3,266,706.15

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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.