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Finding the Third Proportional to 109,341,838.78 and 240,971,026.25

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Solution

The third proportional to 109,341,838.78 and 240,971,026.25 is: 531,059,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,341,838.78 : 240,971,026.25 = 240,971,026.25 : x
  2. Step 2: Convert to fraction form
    109,341,838.78/240,971,026.25 = 240,971,026.25/x
  3. Step 3: Cross multiply
    109,341,838.78x = 240,971,026.25 × 240,971,026.25
  4. Step 4: Simplify right side
    109,341,838.78x = 58,067,035,493,857,760
  5. Step 5: Solve for x
    x = 58,067,035,493,857,760/109,341,838.78
  6. Step 6: Final answer
    x = 531,059,621.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.