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Finding the Third Proportional to 12,881,672 and 26,322,640

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Solution

The third proportional to 12,881,672 and 26,322,640 is: 53,788,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,672 : 26,322,640 = 26,322,640 : x
  2. Step 2: Convert to fraction form
    12,881,672/26,322,640 = 26,322,640/x
  3. Step 3: Cross multiply
    12,881,672x = 26,322,640 × 26,322,640
  4. Step 4: Simplify right side
    12,881,672x = 692,881,376,569,600
  5. Step 5: Solve for x
    x = 692,881,376,569,600/12,881,672
  6. Step 6: Final answer
    x = 53,788,155.49

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.