Home / 20,490,470.44-31,155,278.34

Finding the Third Proportional to 20,490,470.44 and 31,155,278.34

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Solution

The third proportional to 20,490,470.44 and 31,155,278.34 is: 47,370,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,490,470.44 : 31,155,278.34 = 31,155,278.34 : x
  2. Step 2: Convert to fraction form
    20,490,470.44/31,155,278.34 = 31,155,278.34/x
  3. Step 3: Cross multiply
    20,490,470.44x = 31,155,278.34 × 31,155,278.34
  4. Step 4: Simplify right side
    20,490,470.44x = 970,651,368,676,537.75
  5. Step 5: Solve for x
    x = 970,651,368,676,537.75/20,490,470.44
  6. Step 6: Final answer
    x = 47,370,867.92

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.