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Finding the Third Proportional to 635,913 and 1,347,642

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Solution

The third proportional to 635,913 and 1,347,642 is: 2,855,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,913 : 1,347,642 = 1,347,642 : x
  2. Step 2: Convert to fraction form
    635,913/1,347,642 = 1,347,642/x
  3. Step 3: Cross multiply
    635,913x = 1,347,642 × 1,347,642
  4. Step 4: Simplify right side
    635,913x = 1,816,138,960,164
  5. Step 5: Solve for x
    x = 1,816,138,960,164/635,913
  6. Step 6: Final answer
    x = 2,855,955.08

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.