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Finding the Third Proportional to 165,543,520.50 and 351,257,985

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Solution

The third proportional to 165,543,520.50 and 351,257,985 is: 745,315,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,543,520.50 : 351,257,985 = 351,257,985 : x
  2. Step 2: Convert to fraction form
    165,543,520.50/351,257,985 = 351,257,985/x
  3. Step 3: Cross multiply
    165,543,520.50x = 351,257,985 × 351,257,985
  4. Step 4: Simplify right side
    165,543,520.50x = 123,382,172,026,260,224
  5. Step 5: Solve for x
    x = 123,382,172,026,260,224/165,543,520.50
  6. Step 6: Final answer
    x = 745,315,622.46

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.