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Finding the Third Proportional to 879,451 and 1,393,702

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Solution

The third proportional to 879,451 and 1,393,702 is: 2,208,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,451 : 1,393,702 = 1,393,702 : x
  2. Step 2: Convert to fraction form
    879,451/1,393,702 = 1,393,702/x
  3. Step 3: Cross multiply
    879,451x = 1,393,702 × 1,393,702
  4. Step 4: Simplify right side
    879,451x = 1,942,405,264,804
  5. Step 5: Solve for x
    x = 1,942,405,264,804/879,451
  6. Step 6: Final answer
    x = 2,208,656.61

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.