Home / 81,317,526.64-123,882,005.60

Finding the Third Proportional to 81,317,526.64 and 123,882,005.60

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Solution

The third proportional to 81,317,526.64 and 123,882,005.60 is: 188,726,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,317,526.64 : 123,882,005.60 = 123,882,005.60 : x
  2. Step 2: Convert to fraction form
    81,317,526.64/123,882,005.60 = 123,882,005.60/x
  3. Step 3: Cross multiply
    81,317,526.64x = 123,882,005.60 × 123,882,005.60
  4. Step 4: Simplify right side
    81,317,526.64x = 15,346,751,311,864,942
  5. Step 5: Solve for x
    x = 15,346,751,311,864,942/81,317,526.64
  6. Step 6: Final answer
    x = 188,726,243.22

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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.