Home / 20,709,835.88-30,885,160.38

Finding the Third Proportional to 20,709,835.88 and 30,885,160.38

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Solution

The third proportional to 20,709,835.88 and 30,885,160.38 is: 46,059,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,709,835.88 : 30,885,160.38 = 30,885,160.38 : x
  2. Step 2: Convert to fraction form
    20,709,835.88/30,885,160.38 = 30,885,160.38/x
  3. Step 3: Cross multiply
    20,709,835.88x = 30,885,160.38 × 30,885,160.38
  4. Step 4: Simplify right side
    20,709,835.88x = 953,893,131,389,470.12
  5. Step 5: Solve for x
    x = 953,893,131,389,470.12/20,709,835.88
  6. Step 6: Final answer
    x = 46,059,907.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.