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Finding the Third Proportional to 20,911,195.50 and 45,296,440.50

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Solution

The third proportional to 20,911,195.50 and 45,296,440.50 is: 98,118,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,911,195.50 : 45,296,440.50 = 45,296,440.50 : x
  2. Step 2: Convert to fraction form
    20,911,195.50/45,296,440.50 = 45,296,440.50/x
  3. Step 3: Cross multiply
    20,911,195.50x = 45,296,440.50 × 45,296,440.50
  4. Step 4: Simplify right side
    20,911,195.50x = 2,051,767,521,970,040.25
  5. Step 5: Solve for x
    x = 2,051,767,521,970,040.25/20,911,195.50
  6. Step 6: Final answer
    x = 98,118,135.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.