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Finding the Third Proportional to 20,213,178 and 31,100,471

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Solution

The third proportional to 20,213,178 and 31,100,471 is: 47,851,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,178 : 31,100,471 = 31,100,471 : x
  2. Step 2: Convert to fraction form
    20,213,178/31,100,471 = 31,100,471/x
  3. Step 3: Cross multiply
    20,213,178x = 31,100,471 × 31,100,471
  4. Step 4: Simplify right side
    20,213,178x = 967,239,296,421,841
  5. Step 5: Solve for x
    x = 967,239,296,421,841/20,213,178
  6. Step 6: Final answer
    x = 47,851,916.03

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.