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Finding the Third Proportional to 12,831,320 and 26,724,208

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Solution

The third proportional to 12,831,320 and 26,724,208 is: 55,659,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,320 : 26,724,208 = 26,724,208 : x
  2. Step 2: Convert to fraction form
    12,831,320/26,724,208 = 26,724,208/x
  3. Step 3: Cross multiply
    12,831,320x = 26,724,208 × 26,724,208
  4. Step 4: Simplify right side
    12,831,320x = 714,183,293,227,264
  5. Step 5: Solve for x
    x = 714,183,293,227,264/12,831,320
  6. Step 6: Final answer
    x = 55,659,378.24

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.