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Finding the Third Proportional to 163,460 and 352,739

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Solution

The third proportional to 163,460 and 352,739 is: 761,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,460 : 352,739 = 352,739 : x
  2. Step 2: Convert to fraction form
    163,460/352,739 = 352,739/x
  3. Step 3: Cross multiply
    163,460x = 352,739 × 352,739
  4. Step 4: Simplify right side
    163,460x = 124,424,802,121
  5. Step 5: Solve for x
    x = 124,424,802,121/163,460
  6. Step 6: Final answer
    x = 761,194.19

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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.