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Finding the Third Proportional to 702,548 and 1,515,687

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Solution

The third proportional to 702,548 and 1,515,687 is: 3,269,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,548 : 1,515,687 = 1,515,687 : x
  2. Step 2: Convert to fraction form
    702,548/1,515,687 = 1,515,687/x
  3. Step 3: Cross multiply
    702,548x = 1,515,687 × 1,515,687
  4. Step 4: Simplify right side
    702,548x = 2,297,307,081,969
  5. Step 5: Solve for x
    x = 2,297,307,081,969/702,548
  6. Step 6: Final answer
    x = 3,269,964.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.