Home / 77,890,326.75-123,337,338.75

Finding the Third Proportional to 77,890,326.75 and 123,337,338.75

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Solution

The third proportional to 77,890,326.75 and 123,337,338.75 is: 195,301,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,890,326.75 : 123,337,338.75 = 123,337,338.75 : x
  2. Step 2: Convert to fraction form
    77,890,326.75/123,337,338.75 = 123,337,338.75/x
  3. Step 3: Cross multiply
    77,890,326.75x = 123,337,338.75 × 123,337,338.75
  4. Step 4: Simplify right side
    77,890,326.75x = 15,212,099,129,932,252
  5. Step 5: Solve for x
    x = 15,212,099,129,932,252/77,890,326.75
  6. Step 6: Final answer
    x = 195,301,519.00

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.