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Finding the Third Proportional to 20,598,799 and 31,163,313

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Solution

The third proportional to 20,598,799 and 31,163,313 is: 47,146,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598,799 : 31,163,313 = 31,163,313 : x
  2. Step 2: Convert to fraction form
    20,598,799/31,163,313 = 31,163,313/x
  3. Step 3: Cross multiply
    20,598,799x = 31,163,313 × 31,163,313
  4. Step 4: Simplify right side
    20,598,799x = 971,152,077,135,969
  5. Step 5: Solve for x
    x = 971,152,077,135,969/20,598,799
  6. Step 6: Final answer
    x = 47,146,053.38

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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.