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Finding the Third Proportional to 177,368 and 260,865

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Solution

The third proportional to 177,368 and 260,865 is: 383,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,368 : 260,865 = 260,865 : x
  2. Step 2: Convert to fraction form
    177,368/260,865 = 260,865/x
  3. Step 3: Cross multiply
    177,368x = 260,865 × 260,865
  4. Step 4: Simplify right side
    177,368x = 68,050,548,225
  5. Step 5: Solve for x
    x = 68,050,548,225/177,368
  6. Step 6: Final answer
    x = 383,668.69

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.