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Finding the Third Proportional to 2,127,996 and 4,728,378

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Solution

The third proportional to 2,127,996 and 4,728,378 is: 10,506,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,996 : 4,728,378 = 4,728,378 : x
  2. Step 2: Convert to fraction form
    2,127,996/4,728,378 = 4,728,378/x
  3. Step 3: Cross multiply
    2,127,996x = 4,728,378 × 4,728,378
  4. Step 4: Simplify right side
    2,127,996x = 22,357,558,510,884
  5. Step 5: Solve for x
    x = 22,357,558,510,884/2,127,996
  6. Step 6: Final answer
    x = 10,506,391.23

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.