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Finding the Third Proportional to 4,012,488 and 8,679,434.63

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Solution

The third proportional to 4,012,488 and 8,679,434.63 is: 18,774,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012,488 : 8,679,434.63 = 8,679,434.63 : x
  2. Step 2: Convert to fraction form
    4,012,488/8,679,434.63 = 8,679,434.63/x
  3. Step 3: Cross multiply
    4,012,488x = 8,679,434.63 × 8,679,434.63
  4. Step 4: Simplify right side
    4,012,488x = 75,332,585,409,648.89
  5. Step 5: Solve for x
    x = 75,332,585,409,648.89/4,012,488
  6. Step 6: Final answer
    x = 18,774,532.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.