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Finding the Third Proportional to 775,746 and 1,645,396

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Solution

The third proportional to 775,746 and 1,645,396 is: 3,489,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,746 : 1,645,396 = 1,645,396 : x
  2. Step 2: Convert to fraction form
    775,746/1,645,396 = 1,645,396/x
  3. Step 3: Cross multiply
    775,746x = 1,645,396 × 1,645,396
  4. Step 4: Simplify right side
    775,746x = 2,707,327,996,816
  5. Step 5: Solve for x
    x = 2,707,327,996,816/775,746
  6. Step 6: Final answer
    x = 3,489,967.07

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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.