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Finding the Third Proportional to 362,342 and 777,280

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Solution

The third proportional to 362,342 and 777,280 is: 1,667,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,342 : 777,280 = 777,280 : x
  2. Step 2: Convert to fraction form
    362,342/777,280 = 777,280/x
  3. Step 3: Cross multiply
    362,342x = 777,280 × 777,280
  4. Step 4: Simplify right side
    362,342x = 604,164,198,400
  5. Step 5: Solve for x
    x = 604,164,198,400/362,342
  6. Step 6: Final answer
    x = 1,667,386.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.