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Finding the Third Proportional to 27,731,503 and 43,276,070

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Solution

The third proportional to 27,731,503 and 43,276,070 is: 67,533,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731,503 : 43,276,070 = 43,276,070 : x
  2. Step 2: Convert to fraction form
    27,731,503/43,276,070 = 43,276,070/x
  3. Step 3: Cross multiply
    27,731,503x = 43,276,070 × 43,276,070
  4. Step 4: Simplify right side
    27,731,503x = 1,872,818,234,644,900
  5. Step 5: Solve for x
    x = 1,872,818,234,644,900/27,731,503
  6. Step 6: Final answer
    x = 67,533,960.73

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.