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Finding the Third Proportional to 9,150,447 and 13,221,909

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Solution

The third proportional to 9,150,447 and 13,221,909 is: 19,104,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150,447 : 13,221,909 = 13,221,909 : x
  2. Step 2: Convert to fraction form
    9,150,447/13,221,909 = 13,221,909/x
  3. Step 3: Cross multiply
    9,150,447x = 13,221,909 × 13,221,909
  4. Step 4: Simplify right side
    9,150,447x = 174,818,877,604,281
  5. Step 5: Solve for x
    x = 174,818,877,604,281/9,150,447
  6. Step 6: Final answer
    x = 19,104,954.94

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.