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Finding the Third Proportional to 1,803,143 and 3,807,489

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Solution

The third proportional to 1,803,143 and 3,807,489 is: 8,039,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,143 : 3,807,489 = 3,807,489 : x
  2. Step 2: Convert to fraction form
    1,803,143/3,807,489 = 3,807,489/x
  3. Step 3: Cross multiply
    1,803,143x = 3,807,489 × 3,807,489
  4. Step 4: Simplify right side
    1,803,143x = 14,496,972,485,121
  5. Step 5: Solve for x
    x = 14,496,972,485,121/1,803,143
  6. Step 6: Final answer
    x = 8,039,835.16

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.