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Finding the Third Proportional to 1,296,711 and 1,911,532

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Solution

The third proportional to 1,296,711 and 1,911,532 is: 2,817,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,711 : 1,911,532 = 1,911,532 : x
  2. Step 2: Convert to fraction form
    1,296,711/1,911,532 = 1,911,532/x
  3. Step 3: Cross multiply
    1,296,711x = 1,911,532 × 1,911,532
  4. Step 4: Simplify right side
    1,296,711x = 3,653,954,587,024
  5. Step 5: Solve for x
    x = 3,653,954,587,024/1,296,711
  6. Step 6: Final answer
    x = 2,817,863.49

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.