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Finding the Third Proportional to 163,590 and 334,060

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Solution

The third proportional to 163,590 and 334,060 is: 682,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,590 : 334,060 = 334,060 : x
  2. Step 2: Convert to fraction form
    163,590/334,060 = 334,060/x
  3. Step 3: Cross multiply
    163,590x = 334,060 × 334,060
  4. Step 4: Simplify right side
    163,590x = 111,596,083,600
  5. Step 5: Solve for x
    x = 111,596,083,600/163,590
  6. Step 6: Final answer
    x = 682,169.35

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.