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Finding the Third Proportional to 1,715,370 and 2,515,761

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Solution

The third proportional to 1,715,370 and 2,515,761 is: 3,689,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,370 : 2,515,761 = 2,515,761 : x
  2. Step 2: Convert to fraction form
    1,715,370/2,515,761 = 2,515,761/x
  3. Step 3: Cross multiply
    1,715,370x = 2,515,761 × 2,515,761
  4. Step 4: Simplify right side
    1,715,370x = 6,329,053,409,121
  5. Step 5: Solve for x
    x = 6,329,053,409,121/1,715,370
  6. Step 6: Final answer
    x = 3,689,614.14

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.