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Finding the Third Proportional to 75,678,768 and 166,007,520

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Solution

The third proportional to 75,678,768 and 166,007,520 is: 364,150,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678,768 : 166,007,520 = 166,007,520 : x
  2. Step 2: Convert to fraction form
    75,678,768/166,007,520 = 166,007,520/x
  3. Step 3: Cross multiply
    75,678,768x = 166,007,520 × 166,007,520
  4. Step 4: Simplify right side
    75,678,768x = 27,558,496,696,550,400
  5. Step 5: Solve for x
    x = 27,558,496,696,550,400/75,678,768
  6. Step 6: Final answer
    x = 364,150,968.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.