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Finding the Third Proportional to 143,945,530 and 310,828,124

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Solution

The third proportional to 143,945,530 and 310,828,124 is: 671,185,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,945,530 : 310,828,124 = 310,828,124 : x
  2. Step 2: Convert to fraction form
    143,945,530/310,828,124 = 310,828,124/x
  3. Step 3: Cross multiply
    143,945,530x = 310,828,124 × 310,828,124
  4. Step 4: Simplify right side
    143,945,530x = 96,614,122,669,359,376
  5. Step 5: Solve for x
    x = 96,614,122,669,359,376/143,945,530
  6. Step 6: Final answer
    x = 671,185,292.59

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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.