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Finding the Third Proportional to 1,503,630 and 2,172,480.75

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Solution

The third proportional to 1,503,630 and 2,172,480.75 is: 3,138,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,630 : 2,172,480.75 = 2,172,480.75 : x
  2. Step 2: Convert to fraction form
    1,503,630/2,172,480.75 = 2,172,480.75/x
  3. Step 3: Cross multiply
    1,503,630x = 2,172,480.75 × 2,172,480.75
  4. Step 4: Simplify right side
    1,503,630x = 4,719,672,609,120.56
  5. Step 5: Solve for x
    x = 4,719,672,609,120.56/1,503,630
  6. Step 6: Final answer
    x = 3,138,852.38

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.