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Finding the Third Proportional to 163,493 and 352,786

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Solution

The third proportional to 163,493 and 352,786 is: 761,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,493 : 352,786 = 352,786 : x
  2. Step 2: Convert to fraction form
    163,493/352,786 = 352,786/x
  3. Step 3: Cross multiply
    163,493x = 352,786 × 352,786
  4. Step 4: Simplify right side
    163,493x = 124,457,961,796
  5. Step 5: Solve for x
    x = 124,457,961,796/163,493
  6. Step 6: Final answer
    x = 761,243.37

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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.