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Finding the Third Proportional to 176,278 and 385,932

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Solution

The third proportional to 176,278 and 385,932 is: 844,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,278 : 385,932 = 385,932 : x
  2. Step 2: Convert to fraction form
    176,278/385,932 = 385,932/x
  3. Step 3: Cross multiply
    176,278x = 385,932 × 385,932
  4. Step 4: Simplify right side
    176,278x = 148,943,508,624
  5. Step 5: Solve for x
    x = 148,943,508,624/176,278
  6. Step 6: Final answer
    x = 844,935.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.