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Finding the Third Proportional to 178,236 and 385,560

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Solution

The third proportional to 178,236 and 385,560 is: 834,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,236 : 385,560 = 385,560 : x
  2. Step 2: Convert to fraction form
    178,236/385,560 = 385,560/x
  3. Step 3: Cross multiply
    178,236x = 385,560 × 385,560
  4. Step 4: Simplify right side
    178,236x = 148,656,513,600
  5. Step 5: Solve for x
    x = 148,656,513,600/178,236
  6. Step 6: Final answer
    x = 834,043.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.