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Finding the Third Proportional to 178,607 and 243,232

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Solution

The third proportional to 178,607 and 243,232 is: 331,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,607 : 243,232 = 243,232 : x
  2. Step 2: Convert to fraction form
    178,607/243,232 = 243,232/x
  3. Step 3: Cross multiply
    178,607x = 243,232 × 243,232
  4. Step 4: Simplify right side
    178,607x = 59,161,805,824
  5. Step 5: Solve for x
    x = 59,161,805,824/178,607
  6. Step 6: Final answer
    x = 331,240.13

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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.