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Finding the Third Proportional to 15,403,850 and 33,376,318

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Solution

The third proportional to 15,403,850 and 33,376,318 is: 72,318,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403,850 : 33,376,318 = 33,376,318 : x
  2. Step 2: Convert to fraction form
    15,403,850/33,376,318 = 33,376,318/x
  3. Step 3: Cross multiply
    15,403,850x = 33,376,318 × 33,376,318
  4. Step 4: Simplify right side
    15,403,850x = 1,113,978,603,237,124
  5. Step 5: Solve for x
    x = 1,113,978,603,237,124/15,403,850
  6. Step 6: Final answer
    x = 72,318,193.39

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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.