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Finding the Third Proportional to 27,731,487 and 43,276,043

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Solution

The third proportional to 27,731,487 and 43,276,043 is: 67,533,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731,487 : 43,276,043 = 43,276,043 : x
  2. Step 2: Convert to fraction form
    27,731,487/43,276,043 = 43,276,043/x
  3. Step 3: Cross multiply
    27,731,487x = 43,276,043 × 43,276,043
  4. Step 4: Simplify right side
    27,731,487x = 1,872,815,897,737,849
  5. Step 5: Solve for x
    x = 1,872,815,897,737,849/27,731,487
  6. Step 6: Final answer
    x = 67,533,915.43

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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.