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Finding the Third Proportional to 8,216,478 and 12,020,481

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Solution

The third proportional to 8,216,478 and 12,020,481 is: 17,585,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,478 : 12,020,481 = 12,020,481 : x
  2. Step 2: Convert to fraction form
    8,216,478/12,020,481 = 12,020,481/x
  3. Step 3: Cross multiply
    8,216,478x = 12,020,481 × 12,020,481
  4. Step 4: Simplify right side
    8,216,478x = 144,491,963,471,361
  5. Step 5: Solve for x
    x = 144,491,963,471,361/8,216,478
  6. Step 6: Final answer
    x = 17,585,632.61

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.