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Finding the Third Proportional to 808,776 and 1,268,622

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Solution

The third proportional to 808,776 and 1,268,622 is: 1,989,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,776 : 1,268,622 = 1,268,622 : x
  2. Step 2: Convert to fraction form
    808,776/1,268,622 = 1,268,622/x
  3. Step 3: Cross multiply
    808,776x = 1,268,622 × 1,268,622
  4. Step 4: Simplify right side
    808,776x = 1,609,401,778,884
  5. Step 5: Solve for x
    x = 1,609,401,778,884/808,776
  6. Step 6: Final answer
    x = 1,989,922.77

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.