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Finding the Third Proportional to 8,464,898 and 18,519,988

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Solution

The third proportional to 8,464,898 and 18,519,988 is: 40,519,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464,898 : 18,519,988 = 18,519,988 : x
  2. Step 2: Convert to fraction form
    8,464,898/18,519,988 = 18,519,988/x
  3. Step 3: Cross multiply
    8,464,898x = 18,519,988 × 18,519,988
  4. Step 4: Simplify right side
    8,464,898x = 342,989,955,520,144
  5. Step 5: Solve for x
    x = 342,989,955,520,144/8,464,898
  6. Step 6: Final answer
    x = 40,519,089.01

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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.