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Finding the Third Proportional to 8,889,749 and 19,394,724

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Solution

The third proportional to 8,889,749 and 19,394,724 is: 42,313,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,749 : 19,394,724 = 19,394,724 : x
  2. Step 2: Convert to fraction form
    8,889,749/19,394,724 = 19,394,724/x
  3. Step 3: Cross multiply
    8,889,749x = 19,394,724 × 19,394,724
  4. Step 4: Simplify right side
    8,889,749x = 376,155,319,036,176
  5. Step 5: Solve for x
    x = 376,155,319,036,176/8,889,749
  6. Step 6: Final answer
    x = 42,313,379.04

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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.