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Finding the Third Proportional to 179,388 and 277,602

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Solution

The third proportional to 179,388 and 277,602 is: 429,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,388 : 277,602 = 277,602 : x
  2. Step 2: Convert to fraction form
    179,388/277,602 = 277,602/x
  3. Step 3: Cross multiply
    179,388x = 277,602 × 277,602
  4. Step 4: Simplify right side
    179,388x = 77,062,870,404
  5. Step 5: Solve for x
    x = 77,062,870,404/179,388
  6. Step 6: Final answer
    x = 429,587.66

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.