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Finding the Third Proportional to 688,278 and 1,481,994

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Solution

The third proportional to 688,278 and 1,481,994 is: 3,191,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,278 : 1,481,994 = 1,481,994 : x
  2. Step 2: Convert to fraction form
    688,278/1,481,994 = 1,481,994/x
  3. Step 3: Cross multiply
    688,278x = 1,481,994 × 1,481,994
  4. Step 4: Simplify right side
    688,278x = 2,196,306,216,036
  5. Step 5: Solve for x
    x = 2,196,306,216,036/688,278
  6. Step 6: Final answer
    x = 3,191,016.15

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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.