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Finding the Third Proportional to 100,948,125 and 219,124,824

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Solution

The third proportional to 100,948,125 and 219,124,824 is: 475,647,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948,125 : 219,124,824 = 219,124,824 : x
  2. Step 2: Convert to fraction form
    100,948,125/219,124,824 = 219,124,824/x
  3. Step 3: Cross multiply
    100,948,125x = 219,124,824 × 219,124,824
  4. Step 4: Simplify right side
    100,948,125x = 48,015,688,493,030,976
  5. Step 5: Solve for x
    x = 48,015,688,493,030,976/100,948,125
  6. Step 6: Final answer
    x = 475,647,155.34

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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.