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Finding the Third Proportional to 747,650 and 1,621,498

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Solution

The third proportional to 747,650 and 1,621,498 is: 3,516,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,650 : 1,621,498 = 1,621,498 : x
  2. Step 2: Convert to fraction form
    747,650/1,621,498 = 1,621,498/x
  3. Step 3: Cross multiply
    747,650x = 1,621,498 × 1,621,498
  4. Step 4: Simplify right side
    747,650x = 2,629,255,764,004
  5. Step 5: Solve for x
    x = 2,629,255,764,004/747,650
  6. Step 6: Final answer
    x = 3,516,693.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.