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Finding the Third Proportional to 631,653 and 1,369,722

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Solution

The third proportional to 631,653 and 1,369,722 is: 2,970,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,653 : 1,369,722 = 1,369,722 : x
  2. Step 2: Convert to fraction form
    631,653/1,369,722 = 1,369,722/x
  3. Step 3: Cross multiply
    631,653x = 1,369,722 × 1,369,722
  4. Step 4: Simplify right side
    631,653x = 1,876,138,357,284
  5. Step 5: Solve for x
    x = 1,876,138,357,284/631,653
  6. Step 6: Final answer
    x = 2,970,204.14

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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.