Home / 20,180,967.75-31,308,037.31

Finding the Third Proportional to 20,180,967.75 and 31,308,037.31

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Solution

The third proportional to 20,180,967.75 and 31,308,037.31 is: 48,570,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,967.75 : 31,308,037.31 = 31,308,037.31 : x
  2. Step 2: Convert to fraction form
    20,180,967.75/31,308,037.31 = 31,308,037.31/x
  3. Step 3: Cross multiply
    20,180,967.75x = 31,308,037.31 × 31,308,037.31
  4. Step 4: Simplify right side
    20,180,967.75x = 980,193,200,360,892.25
  5. Step 5: Solve for x
    x = 980,193,200,360,892.25/20,180,967.75
  6. Step 6: Final answer
    x = 48,570,178.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.