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Finding the Third Proportional to 21,071,993.50 and 45,972,672.50

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Solution

The third proportional to 21,071,993.50 and 45,972,672.50 is: 100,298,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071,993.50 : 45,972,672.50 = 45,972,672.50 : x
  2. Step 2: Convert to fraction form
    21,071,993.50/45,972,672.50 = 45,972,672.50/x
  3. Step 3: Cross multiply
    21,071,993.50x = 45,972,672.50 × 45,972,672.50
  4. Step 4: Simplify right side
    21,071,993.50x = 2,113,486,616,792,256.25
  5. Step 5: Solve for x
    x = 2,113,486,616,792,256.25/21,071,993.50
  6. Step 6: Final answer
    x = 100,298,370.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.