Home / 19,618,843.13-42,236,043.75

Finding the Third Proportional to 19,618,843.13 and 42,236,043.75

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Solution

The third proportional to 19,618,843.13 and 42,236,043.75 is: 90,927,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618,843.13 : 42,236,043.75 = 42,236,043.75 : x
  2. Step 2: Convert to fraction form
    19,618,843.13/42,236,043.75 = 42,236,043.75/x
  3. Step 3: Cross multiply
    19,618,843.13x = 42,236,043.75 × 42,236,043.75
  4. Step 4: Simplify right side
    19,618,843.13x = 1,783,883,391,651,914
  5. Step 5: Solve for x
    x = 1,783,883,391,651,914/19,618,843.13
  6. Step 6: Final answer
    x = 90,927,042.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.