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Finding the Third Proportional to 18,980,848 and 29,415,048

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Solution

The third proportional to 18,980,848 and 29,415,048 is: 45,585,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,848 : 29,415,048 = 29,415,048 : x
  2. Step 2: Convert to fraction form
    18,980,848/29,415,048 = 29,415,048/x
  3. Step 3: Cross multiply
    18,980,848x = 29,415,048 × 29,415,048
  4. Step 4: Simplify right side
    18,980,848x = 865,245,048,842,304
  5. Step 5: Solve for x
    x = 865,245,048,842,304/18,980,848
  6. Step 6: Final answer
    x = 45,585,162.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.