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Finding the Third Proportional to 866,437 and 1,900,273

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Solution

The third proportional to 866,437 and 1,900,273 is: 4,167,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,437 : 1,900,273 = 1,900,273 : x
  2. Step 2: Convert to fraction form
    866,437/1,900,273 = 1,900,273/x
  3. Step 3: Cross multiply
    866,437x = 1,900,273 × 1,900,273
  4. Step 4: Simplify right side
    866,437x = 3,611,037,474,529
  5. Step 5: Solve for x
    x = 3,611,037,474,529/866,437
  6. Step 6: Final answer
    x = 4,167,686.14

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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.