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Finding the Third Proportional to 1,573,921.13 and 3,388,645.13

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Solution

The third proportional to 1,573,921.13 and 3,388,645.13 is: 7,295,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,921.13 : 3,388,645.13 = 3,388,645.13 : x
  2. Step 2: Convert to fraction form
    1,573,921.13/3,388,645.13 = 3,388,645.13/x
  3. Step 3: Cross multiply
    1,573,921.13x = 3,388,645.13 × 3,388,645.13
  4. Step 4: Simplify right side
    1,573,921.13x = 11,482,915,783,186.27
  5. Step 5: Solve for x
    x = 11,482,915,783,186.27/1,573,921.13
  6. Step 6: Final answer
    x = 7,295,737.76

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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.