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Finding the Third Proportional to 551,376 and 877,932

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Solution

The third proportional to 551,376 and 877,932 is: 1,397,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,376 : 877,932 = 877,932 : x
  2. Step 2: Convert to fraction form
    551,376/877,932 = 877,932/x
  3. Step 3: Cross multiply
    551,376x = 877,932 × 877,932
  4. Step 4: Simplify right side
    551,376x = 770,764,596,624
  5. Step 5: Solve for x
    x = 770,764,596,624/551,376
  6. Step 6: Final answer
    x = 1,397,892.90

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.