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Finding the Third Proportional to 76,621,187 and 170,248,485

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Solution

The third proportional to 76,621,187 and 170,248,485 is: 378,283,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,621,187 : 170,248,485 = 170,248,485 : x
  2. Step 2: Convert to fraction form
    76,621,187/170,248,485 = 170,248,485/x
  3. Step 3: Cross multiply
    76,621,187x = 170,248,485 × 170,248,485
  4. Step 4: Simplify right side
    76,621,187x = 28,984,546,644,795,224
  5. Step 5: Solve for x
    x = 28,984,546,644,795,224/76,621,187
  6. Step 6: Final answer
    x = 378,283,706.89

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.