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Finding the Third Proportional to 21,327,760 and 30,477,360

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Solution

The third proportional to 21,327,760 and 30,477,360 is: 43,552,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327,760 : 30,477,360 = 30,477,360 : x
  2. Step 2: Convert to fraction form
    21,327,760/30,477,360 = 30,477,360/x
  3. Step 3: Cross multiply
    21,327,760x = 30,477,360 × 30,477,360
  4. Step 4: Simplify right side
    21,327,760x = 928,869,472,569,600
  5. Step 5: Solve for x
    x = 928,869,472,569,600/21,327,760
  6. Step 6: Final answer
    x = 43,552,134.52

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.