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Finding the Third Proportional to 310,612,530 and 494,484,378

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Solution

The third proportional to 310,612,530 and 494,484,378 is: 787,201,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,612,530 : 494,484,378 = 494,484,378 : x
  2. Step 2: Convert to fraction form
    310,612,530/494,484,378 = 494,484,378/x
  3. Step 3: Cross multiply
    310,612,530x = 494,484,378 × 494,484,378
  4. Step 4: Simplify right side
    310,612,530x = 244,514,800,086,046,880
  5. Step 5: Solve for x
    x = 244,514,800,086,046,880/310,612,530
  6. Step 6: Final answer
    x = 787,201,984.69

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.