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Finding the Third Proportional to 9,480,408 and 21,010,728

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Solution

The third proportional to 9,480,408 and 21,010,728 is: 46,564,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480,408 : 21,010,728 = 21,010,728 : x
  2. Step 2: Convert to fraction form
    9,480,408/21,010,728 = 21,010,728/x
  3. Step 3: Cross multiply
    9,480,408x = 21,010,728 × 21,010,728
  4. Step 4: Simplify right side
    9,480,408x = 441,450,691,089,984
  5. Step 5: Solve for x
    x = 441,450,691,089,984/9,480,408
  6. Step 6: Final answer
    x = 46,564,524.55

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.