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Finding the Third Proportional to 129,908 and 176,046

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Solution

The third proportional to 129,908 and 176,046 is: 238,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,908 : 176,046 = 176,046 : x
  2. Step 2: Convert to fraction form
    129,908/176,046 = 176,046/x
  3. Step 3: Cross multiply
    129,908x = 176,046 × 176,046
  4. Step 4: Simplify right side
    129,908x = 30,992,194,116
  5. Step 5: Solve for x
    x = 30,992,194,116/129,908
  6. Step 6: Final answer
    x = 238,570.33

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.