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Finding the Third Proportional to 415,508 and 893,080

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Solution

The third proportional to 415,508 and 893,080 is: 1,919,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,508 : 893,080 = 893,080 : x
  2. Step 2: Convert to fraction form
    415,508/893,080 = 893,080/x
  3. Step 3: Cross multiply
    415,508x = 893,080 × 893,080
  4. Step 4: Simplify right side
    415,508x = 797,591,886,400
  5. Step 5: Solve for x
    x = 797,591,886,400/415,508
  6. Step 6: Final answer
    x = 1,919,558.44

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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.