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Finding the Third Proportional to 20,153,490 and 30,397,269

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Solution

The third proportional to 20,153,490 and 30,397,269 is: 45,847,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,490 : 30,397,269 = 30,397,269 : x
  2. Step 2: Convert to fraction form
    20,153,490/30,397,269 = 30,397,269/x
  3. Step 3: Cross multiply
    20,153,490x = 30,397,269 × 30,397,269
  4. Step 4: Simplify right side
    20,153,490x = 923,993,962,658,361
  5. Step 5: Solve for x
    x = 923,993,962,658,361/20,153,490
  6. Step 6: Final answer
    x = 45,847,838.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.