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Finding the Third Proportional to 764,554 and 1,620,260

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Solution

The third proportional to 764,554 and 1,620,260 is: 3,433,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,554 : 1,620,260 = 1,620,260 : x
  2. Step 2: Convert to fraction form
    764,554/1,620,260 = 1,620,260/x
  3. Step 3: Cross multiply
    764,554x = 1,620,260 × 1,620,260
  4. Step 4: Simplify right side
    764,554x = 2,625,242,467,600
  5. Step 5: Solve for x
    x = 2,625,242,467,600/764,554
  6. Step 6: Final answer
    x = 3,433,691.36

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.