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Finding the Third Proportional to 31,319,298 and 68,998,392

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Solution

The third proportional to 31,319,298 and 68,998,392 is: 152,007,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319,298 : 68,998,392 = 68,998,392 : x
  2. Step 2: Convert to fraction form
    31,319,298/68,998,392 = 68,998,392/x
  3. Step 3: Cross multiply
    31,319,298x = 68,998,392 × 68,998,392
  4. Step 4: Simplify right side
    31,319,298x = 4,760,778,098,585,664
  5. Step 5: Solve for x
    x = 4,760,778,098,585,664/31,319,298
  6. Step 6: Final answer
    x = 152,007,816.35

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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.