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Finding the Third Proportional to 15,724,985 and 33,636,015

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Solution

The third proportional to 15,724,985 and 33,636,015 is: 71,948,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724,985 : 33,636,015 = 33,636,015 : x
  2. Step 2: Convert to fraction form
    15,724,985/33,636,015 = 33,636,015/x
  3. Step 3: Cross multiply
    15,724,985x = 33,636,015 × 33,636,015
  4. Step 4: Simplify right side
    15,724,985x = 1,131,381,505,080,225
  5. Step 5: Solve for x
    x = 1,131,381,505,080,225/15,724,985
  6. Step 6: Final answer
    x = 71,948,018.08

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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.