Home / 81,605,013.75-179,241,484.50

Finding the Third Proportional to 81,605,013.75 and 179,241,484.50

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Solution

The third proportional to 81,605,013.75 and 179,241,484.50 is: 393,695,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,605,013.75 : 179,241,484.50 = 179,241,484.50 : x
  2. Step 2: Convert to fraction form
    81,605,013.75/179,241,484.50 = 179,241,484.50/x
  3. Step 3: Cross multiply
    81,605,013.75x = 179,241,484.50 × 179,241,484.50
  4. Step 4: Simplify right side
    81,605,013.75x = 32,127,509,765,763,740
  5. Step 5: Solve for x
    x = 32,127,509,765,763,740/81,605,013.75
  6. Step 6: Final answer
    x = 393,695,292.60

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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.