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Finding the Third Proportional to 16,415,786 and 35,635,288

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Solution

The third proportional to 16,415,786 and 35,635,288 is: 77,356,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415,786 : 35,635,288 = 35,635,288 : x
  2. Step 2: Convert to fraction form
    16,415,786/35,635,288 = 35,635,288/x
  3. Step 3: Cross multiply
    16,415,786x = 35,635,288 × 35,635,288
  4. Step 4: Simplify right side
    16,415,786x = 1,269,873,750,842,944
  5. Step 5: Solve for x
    x = 1,269,873,750,842,944/16,415,786
  6. Step 6: Final answer
    x = 77,356,865.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.