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Finding the Third Proportional to 13,831,066 and 20,937,543

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Solution

The third proportional to 13,831,066 and 20,937,543 is: 31,695,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,066 : 20,937,543 = 20,937,543 : x
  2. Step 2: Convert to fraction form
    13,831,066/20,937,543 = 20,937,543/x
  3. Step 3: Cross multiply
    13,831,066x = 20,937,543 × 20,937,543
  4. Step 4: Simplify right side
    13,831,066x = 438,380,706,876,849
  5. Step 5: Solve for x
    x = 438,380,706,876,849/13,831,066
  6. Step 6: Final answer
    x = 31,695,366.57

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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.