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Finding the Third Proportional to 1,914,989 and 2,912,273

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Solution

The third proportional to 1,914,989 and 2,912,273 is: 4,428,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,989 : 2,912,273 = 2,912,273 : x
  2. Step 2: Convert to fraction form
    1,914,989/2,912,273 = 2,912,273/x
  3. Step 3: Cross multiply
    1,914,989x = 2,912,273 × 2,912,273
  4. Step 4: Simplify right side
    1,914,989x = 8,481,334,026,529
  5. Step 5: Solve for x
    x = 8,481,334,026,529/1,914,989
  6. Step 6: Final answer
    x = 4,428,920.49

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.