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Finding the Third Proportional to 3,831,788 and 6,386,043

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Solution

The third proportional to 3,831,788 and 6,386,043 is: 10,642,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,788 : 6,386,043 = 6,386,043 : x
  2. Step 2: Convert to fraction form
    3,831,788/6,386,043 = 6,386,043/x
  3. Step 3: Cross multiply
    3,831,788x = 6,386,043 × 6,386,043
  4. Step 4: Simplify right side
    3,831,788x = 40,781,545,197,849
  5. Step 5: Solve for x
    x = 40,781,545,197,849/3,831,788
  6. Step 6: Final answer
    x = 10,642,954.46

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.