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Finding the Third Proportional to 16,519,896 and 35,431,209

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Solution

The third proportional to 16,519,896 and 35,431,209 is: 75,991,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519,896 : 35,431,209 = 35,431,209 : x
  2. Step 2: Convert to fraction form
    16,519,896/35,431,209 = 35,431,209/x
  3. Step 3: Cross multiply
    16,519,896x = 35,431,209 × 35,431,209
  4. Step 4: Simplify right side
    16,519,896x = 1,255,370,571,201,681
  5. Step 5: Solve for x
    x = 1,255,370,571,201,681/16,519,896
  6. Step 6: Final answer
    x = 75,991,433.07

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.