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Finding the Third Proportional to 20,703,438 and 43,548,619.50

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Solution

The third proportional to 20,703,438 and 43,548,619.50 is: 91,602,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703,438 : 43,548,619.50 = 43,548,619.50 : x
  2. Step 2: Convert to fraction form
    20,703,438/43,548,619.50 = 43,548,619.50/x
  3. Step 3: Cross multiply
    20,703,438x = 43,548,619.50 × 43,548,619.50
  4. Step 4: Simplify right side
    20,703,438x = 1,896,482,260,355,780.25
  5. Step 5: Solve for x
    x = 1,896,482,260,355,780.25/20,703,438
  6. Step 6: Final answer
    x = 91,602,286.56

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.