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Finding the Third Proportional to 30,781,026 and 43,292,934

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Solution

The third proportional to 30,781,026 and 43,292,934 is: 60,890,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,781,026 : 43,292,934 = 43,292,934 : x
  2. Step 2: Convert to fraction form
    30,781,026/43,292,934 = 43,292,934/x
  3. Step 3: Cross multiply
    30,781,026x = 43,292,934 × 43,292,934
  4. Step 4: Simplify right side
    30,781,026x = 1,874,278,134,328,356
  5. Step 5: Solve for x
    x = 1,874,278,134,328,356/30,781,026
  6. Step 6: Final answer
    x = 60,890,697.22

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.