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Finding the Third Proportional to 791,711 and 1,707,838

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Solution

The third proportional to 791,711 and 1,707,838 is: 3,684,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,711 : 1,707,838 = 1,707,838 : x
  2. Step 2: Convert to fraction form
    791,711/1,707,838 = 1,707,838/x
  3. Step 3: Cross multiply
    791,711x = 1,707,838 × 1,707,838
  4. Step 4: Simplify right side
    791,711x = 2,916,710,634,244
  5. Step 5: Solve for x
    x = 2,916,710,634,244/791,711
  6. Step 6: Final answer
    x = 3,684,059.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.