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Finding the Third Proportional to 8,531,130 and 13,081,836

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Solution

The third proportional to 8,531,130 and 13,081,836 is: 20,059,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531,130 : 13,081,836 = 13,081,836 : x
  2. Step 2: Convert to fraction form
    8,531,130/13,081,836 = 13,081,836/x
  3. Step 3: Cross multiply
    8,531,130x = 13,081,836 × 13,081,836
  4. Step 4: Simplify right side
    8,531,130x = 171,134,433,130,896
  5. Step 5: Solve for x
    x = 171,134,433,130,896/8,531,130
  6. Step 6: Final answer
    x = 20,059,995.94

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.