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Finding the Third Proportional to 81,604,928 and 179,241,410

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Solution

The third proportional to 81,604,928 and 179,241,410 is: 393,695,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,604,928 : 179,241,410 = 179,241,410 : x
  2. Step 2: Convert to fraction form
    81,604,928/179,241,410 = 179,241,410/x
  3. Step 3: Cross multiply
    81,604,928x = 179,241,410 × 179,241,410
  4. Step 4: Simplify right side
    81,604,928x = 32,127,483,058,788,100
  5. Step 5: Solve for x
    x = 32,127,483,058,788,100/81,604,928
  6. Step 6: Final answer
    x = 393,695,379.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.