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Finding the Third Proportional to 877,273 and 1,913,198

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Solution

The third proportional to 877,273 and 1,913,198 is: 4,172,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,273 : 1,913,198 = 1,913,198 : x
  2. Step 2: Convert to fraction form
    877,273/1,913,198 = 1,913,198/x
  3. Step 3: Cross multiply
    877,273x = 1,913,198 × 1,913,198
  4. Step 4: Simplify right side
    877,273x = 3,660,326,587,204
  5. Step 5: Solve for x
    x = 3,660,326,587,204/877,273
  6. Step 6: Final answer
    x = 4,172,391.70

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.