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Finding the Third Proportional to 20,886,942 and 30,421,485

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Solution

The third proportional to 20,886,942 and 30,421,485 is: 44,308,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,942 : 30,421,485 = 30,421,485 : x
  2. Step 2: Convert to fraction form
    20,886,942/30,421,485 = 30,421,485/x
  3. Step 3: Cross multiply
    20,886,942x = 30,421,485 × 30,421,485
  4. Step 4: Simplify right side
    20,886,942x = 925,466,749,605,225
  5. Step 5: Solve for x
    x = 925,466,749,605,225/20,886,942
  6. Step 6: Final answer
    x = 44,308,388.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.