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Finding the Third Proportional to 163,566 and 352,910

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Solution

The third proportional to 163,566 and 352,910 is: 761,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,566 : 352,910 = 352,910 : x
  2. Step 2: Convert to fraction form
    163,566/352,910 = 352,910/x
  3. Step 3: Cross multiply
    163,566x = 352,910 × 352,910
  4. Step 4: Simplify right side
    163,566x = 124,545,468,100
  5. Step 5: Solve for x
    x = 124,545,468,100/163,566
  6. Step 6: Final answer
    x = 761,438.61

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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.