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Finding the Third Proportional to 8,984,115 and 19,542,342

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Solution

The third proportional to 8,984,115 and 19,542,342 is: 42,508,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984,115 : 19,542,342 = 19,542,342 : x
  2. Step 2: Convert to fraction form
    8,984,115/19,542,342 = 19,542,342/x
  3. Step 3: Cross multiply
    8,984,115x = 19,542,342 × 19,542,342
  4. Step 4: Simplify right side
    8,984,115x = 381,903,130,844,964
  5. Step 5: Solve for x
    x = 381,903,130,844,964/8,984,115
  6. Step 6: Final answer
    x = 42,508,709.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.