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Finding the Third Proportional to 172,906,621.88 and 373,420,534.50

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Solution

The third proportional to 172,906,621.88 and 373,420,534.50 is: 806,463,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,906,621.88 : 373,420,534.50 = 373,420,534.50 : x
  2. Step 2: Convert to fraction form
    172,906,621.88/373,420,534.50 = 373,420,534.50/x
  3. Step 3: Cross multiply
    172,906,621.88x = 373,420,534.50 × 373,420,534.50
  4. Step 4: Simplify right side
    172,906,621.88x = 139,442,895,586,265,696
  5. Step 5: Solve for x
    x = 139,442,895,586,265,696/172,906,621.88
  6. Step 6: Final answer
    x = 806,463,593.32

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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.