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Finding the Third Proportional to 20,702,402 and 31,343,744

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Solution

The third proportional to 20,702,402 and 31,343,744 is: 47,454,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,402 : 31,343,744 = 31,343,744 : x
  2. Step 2: Convert to fraction form
    20,702,402/31,343,744 = 31,343,744/x
  3. Step 3: Cross multiply
    20,702,402x = 31,343,744 × 31,343,744
  4. Step 4: Simplify right side
    20,702,402x = 982,430,287,937,536
  5. Step 5: Solve for x
    x = 982,430,287,937,536/20,702,402
  6. Step 6: Final answer
    x = 47,454,893.78

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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.