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Finding the Third Proportional to 873,187 and 1,908,697

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Solution

The third proportional to 873,187 and 1,908,697 is: 4,172,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,187 : 1,908,697 = 1,908,697 : x
  2. Step 2: Convert to fraction form
    873,187/1,908,697 = 1,908,697/x
  3. Step 3: Cross multiply
    873,187x = 1,908,697 × 1,908,697
  4. Step 4: Simplify right side
    873,187x = 3,643,124,237,809
  5. Step 5: Solve for x
    x = 3,643,124,237,809/873,187
  6. Step 6: Final answer
    x = 4,172,215.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.