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Finding the Third Proportional to 10,290,636 and 15,127,668

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Solution

The third proportional to 10,290,636 and 15,127,668 is: 22,238,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,636 : 15,127,668 = 15,127,668 : x
  2. Step 2: Convert to fraction form
    10,290,636/15,127,668 = 15,127,668/x
  3. Step 3: Cross multiply
    10,290,636x = 15,127,668 × 15,127,668
  4. Step 4: Simplify right side
    10,290,636x = 228,846,339,118,224
  5. Step 5: Solve for x
    x = 228,846,339,118,224/10,290,636
  6. Step 6: Final answer
    x = 22,238,308.61

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.