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Finding the Third Proportional to 771,978 and 1,701,018

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Solution

The third proportional to 771,978 and 1,701,018 is: 3,748,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,978 : 1,701,018 = 1,701,018 : x
  2. Step 2: Convert to fraction form
    771,978/1,701,018 = 1,701,018/x
  3. Step 3: Cross multiply
    771,978x = 1,701,018 × 1,701,018
  4. Step 4: Simplify right side
    771,978x = 2,893,462,236,324
  5. Step 5: Solve for x
    x = 2,893,462,236,324/771,978
  6. Step 6: Final answer
    x = 3,748,114.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.