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Finding the Third Proportional to 164,290 and 234,931

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Solution

The third proportional to 164,290 and 234,931 is: 335,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,290 : 234,931 = 234,931 : x
  2. Step 2: Convert to fraction form
    164,290/234,931 = 234,931/x
  3. Step 3: Cross multiply
    164,290x = 234,931 × 234,931
  4. Step 4: Simplify right side
    164,290x = 55,192,574,761
  5. Step 5: Solve for x
    x = 55,192,574,761/164,290
  6. Step 6: Final answer
    x = 335,946.04

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.