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Finding the Third Proportional to 4,189,799.25 and 8,999,663.63

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Solution

The third proportional to 4,189,799.25 and 8,999,663.63 is: 19,331,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189,799.25 : 8,999,663.63 = 8,999,663.63 : x
  2. Step 2: Convert to fraction form
    4,189,799.25/8,999,663.63 = 8,999,663.63/x
  3. Step 3: Cross multiply
    4,189,799.25x = 8,999,663.63 × 8,999,663.63
  4. Step 4: Simplify right side
    4,189,799.25x = 80,993,945,363,148.14
  5. Step 5: Solve for x
    x = 80,993,945,363,148.14/4,189,799.25
  6. Step 6: Final answer
    x = 19,331,223.41

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