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Finding the Third Proportional to 709,057 and 1,517,781

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Solution

The third proportional to 709,057 and 1,517,781 is: 3,248,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,057 : 1,517,781 = 1,517,781 : x
  2. Step 2: Convert to fraction form
    709,057/1,517,781 = 1,517,781/x
  3. Step 3: Cross multiply
    709,057x = 1,517,781 × 1,517,781
  4. Step 4: Simplify right side
    709,057x = 2,303,659,163,961
  5. Step 5: Solve for x
    x = 2,303,659,163,961/709,057
  6. Step 6: Final answer
    x = 3,248,905.47

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.