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Finding the Third Proportional to 688,392 and 1,482,246

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Solution

The third proportional to 688,392 and 1,482,246 is: 3,191,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,392 : 1,482,246 = 1,482,246 : x
  2. Step 2: Convert to fraction form
    688,392/1,482,246 = 1,482,246/x
  3. Step 3: Cross multiply
    688,392x = 1,482,246 × 1,482,246
  4. Step 4: Simplify right side
    688,392x = 2,197,053,204,516
  5. Step 5: Solve for x
    x = 2,197,053,204,516/688,392
  6. Step 6: Final answer
    x = 3,191,572.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.