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Finding the Third Proportional to 771,586 and 1,690,282

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Solution

The third proportional to 771,586 and 1,690,282 is: 3,702,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,586 : 1,690,282 = 1,690,282 : x
  2. Step 2: Convert to fraction form
    771,586/1,690,282 = 1,690,282/x
  3. Step 3: Cross multiply
    771,586x = 1,690,282 × 1,690,282
  4. Step 4: Simplify right side
    771,586x = 2,857,053,239,524
  5. Step 5: Solve for x
    x = 2,857,053,239,524/771,586
  6. Step 6: Final answer
    x = 3,702,831.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.