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Finding the Third Proportional to 771,235 and 1,667,317

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Solution

The third proportional to 771,235 and 1,667,317 is: 3,604,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,235 : 1,667,317 = 1,667,317 : x
  2. Step 2: Convert to fraction form
    771,235/1,667,317 = 1,667,317/x
  3. Step 3: Cross multiply
    771,235x = 1,667,317 × 1,667,317
  4. Step 4: Simplify right side
    771,235x = 2,779,945,978,489
  5. Step 5: Solve for x
    x = 2,779,945,978,489/771,235
  6. Step 6: Final answer
    x = 3,604,538.15

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.