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Finding the Third Proportional to 79,794,328.50 and 172,319,906.25

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Solution

The third proportional to 79,794,328.50 and 172,319,906.25 is: 372,133,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794,328.50 : 172,319,906.25 = 172,319,906.25 : x
  2. Step 2: Convert to fraction form
    79,794,328.50/172,319,906.25 = 172,319,906.25/x
  3. Step 3: Cross multiply
    79,794,328.50x = 172,319,906.25 × 172,319,906.25
  4. Step 4: Simplify right side
    79,794,328.50x = 29,694,150,090,008,788
  5. Step 5: Solve for x
    x = 29,694,150,090,008,788/79,794,328.50
  6. Step 6: Final answer
    x = 372,133,592.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.