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Finding the Third Proportional to 437,436 and 909,774

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Solution

The third proportional to 437,436 and 909,774 is: 1,892,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,436 : 909,774 = 909,774 : x
  2. Step 2: Convert to fraction form
    437,436/909,774 = 909,774/x
  3. Step 3: Cross multiply
    437,436x = 909,774 × 909,774
  4. Step 4: Simplify right side
    437,436x = 827,688,731,076
  5. Step 5: Solve for x
    x = 827,688,731,076/437,436
  6. Step 6: Final answer
    x = 1,892,136.75

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.