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Finding the Third Proportional to 698,240 and 1,503,392

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Solution

The third proportional to 698,240 and 1,503,392 is: 3,236,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,240 : 1,503,392 = 1,503,392 : x
  2. Step 2: Convert to fraction form
    698,240/1,503,392 = 1,503,392/x
  3. Step 3: Cross multiply
    698,240x = 1,503,392 × 1,503,392
  4. Step 4: Simplify right side
    698,240x = 2,260,187,505,664
  5. Step 5: Solve for x
    x = 2,260,187,505,664/698,240
  6. Step 6: Final answer
    x = 3,236,977.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.