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Finding the Third Proportional to 677,979 and 1,025,716

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Solution

The third proportional to 677,979 and 1,025,716 is: 1,551,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,979 : 1,025,716 = 1,025,716 : x
  2. Step 2: Convert to fraction form
    677,979/1,025,716 = 1,025,716/x
  3. Step 3: Cross multiply
    677,979x = 1,025,716 × 1,025,716
  4. Step 4: Simplify right side
    677,979x = 1,052,093,312,656
  5. Step 5: Solve for x
    x = 1,052,093,312,656/677,979
  6. Step 6: Final answer
    x = 1,551,808.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.