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Finding the Third Proportional to 151,928 and 329,776

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Solution

The third proportional to 151,928 and 329,776 is: 715,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,928 : 329,776 = 329,776 : x
  2. Step 2: Convert to fraction form
    151,928/329,776 = 329,776/x
  3. Step 3: Cross multiply
    151,928x = 329,776 × 329,776
  4. Step 4: Simplify right side
    151,928x = 108,752,210,176
  5. Step 5: Solve for x
    x = 108,752,210,176/151,928
  6. Step 6: Final answer
    x = 715,814.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.