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Finding the Third Proportional to 173,376 and 358,380

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Solution

The third proportional to 173,376 and 358,380 is: 740,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,376 : 358,380 = 358,380 : x
  2. Step 2: Convert to fraction form
    173,376/358,380 = 358,380/x
  3. Step 3: Cross multiply
    173,376x = 358,380 × 358,380
  4. Step 4: Simplify right side
    173,376x = 128,436,224,400
  5. Step 5: Solve for x
    x = 128,436,224,400/173,376
  6. Step 6: Final answer
    x = 740,795.87

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.