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Finding the Third Proportional to 874,477 and 1,912,466

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Solution

The third proportional to 874,477 and 1,912,466 is: 4,182,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,477 : 1,912,466 = 1,912,466 : x
  2. Step 2: Convert to fraction form
    874,477/1,912,466 = 1,912,466/x
  3. Step 3: Cross multiply
    874,477x = 1,912,466 × 1,912,466
  4. Step 4: Simplify right side
    874,477x = 3,657,526,201,156
  5. Step 5: Solve for x
    x = 3,657,526,201,156/874,477
  6. Step 6: Final answer
    x = 4,182,529.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.