Home / 20,211,178.50-31,066,359.75

Finding the Third Proportional to 20,211,178.50 and 31,066,359.75

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Solution

The third proportional to 20,211,178.50 and 31,066,359.75 is: 47,751,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,178.50 : 31,066,359.75 = 31,066,359.75 : x
  2. Step 2: Convert to fraction form
    20,211,178.50/31,066,359.75 = 31,066,359.75/x
  3. Step 3: Cross multiply
    20,211,178.50x = 31,066,359.75 × 31,066,359.75
  4. Step 4: Simplify right side
    20,211,178.50x = 965,118,708,116,420
  5. Step 5: Solve for x
    x = 965,118,708,116,420/20,211,178.50
  6. Step 6: Final answer
    x = 47,751,728.49

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.