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Finding the Third Proportional to 717,812 and 1,114,644

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Solution

The third proportional to 717,812 and 1,114,644 is: 1,730,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,812 : 1,114,644 = 1,114,644 : x
  2. Step 2: Convert to fraction form
    717,812/1,114,644 = 1,114,644/x
  3. Step 3: Cross multiply
    717,812x = 1,114,644 × 1,114,644
  4. Step 4: Simplify right side
    717,812x = 1,242,431,246,736
  5. Step 5: Solve for x
    x = 1,242,431,246,736/717,812
  6. Step 6: Final answer
    x = 1,730,858.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.