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Finding the Third Proportional to 3,489,456 and 5,251,656

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Solution

The third proportional to 3,489,456 and 5,251,656 is: 7,903,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,456 : 5,251,656 = 5,251,656 : x
  2. Step 2: Convert to fraction form
    3,489,456/5,251,656 = 5,251,656/x
  3. Step 3: Cross multiply
    3,489,456x = 5,251,656 × 5,251,656
  4. Step 4: Simplify right side
    3,489,456x = 27,579,890,742,336
  5. Step 5: Solve for x
    x = 27,579,890,742,336/3,489,456
  6. Step 6: Final answer
    x = 7,903,779.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.