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Finding the Third Proportional to 355,167 and 760,779

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Solution

The third proportional to 355,167 and 760,779 is: 1,629,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,167 : 760,779 = 760,779 : x
  2. Step 2: Convert to fraction form
    355,167/760,779 = 760,779/x
  3. Step 3: Cross multiply
    355,167x = 760,779 × 760,779
  4. Step 4: Simplify right side
    355,167x = 578,784,686,841
  5. Step 5: Solve for x
    x = 578,784,686,841/355,167
  6. Step 6: Final answer
    x = 1,629,612.79

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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.