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Finding the Third Proportional to 317,781,945 and 673,366,185

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Solution

The third proportional to 317,781,945 and 673,366,185 is: 1,426,833,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,781,945 : 673,366,185 = 673,366,185 : x
  2. Step 2: Convert to fraction form
    317,781,945/673,366,185 = 673,366,185/x
  3. Step 3: Cross multiply
    317,781,945x = 673,366,185 × 673,366,185
  4. Step 4: Simplify right side
    317,781,945x = 453,422,019,101,454,208
  5. Step 5: Solve for x
    x = 453,422,019,101,454,208/317,781,945
  6. Step 6: Final answer
    x = 1,426,833,796.68

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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.