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Finding the Third Proportional to 140,205 and 303,726

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Solution

The third proportional to 140,205 and 303,726 is: 657,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205 : 303,726 = 303,726 : x
  2. Step 2: Convert to fraction form
    140,205/303,726 = 303,726/x
  3. Step 3: Cross multiply
    140,205x = 303,726 × 303,726
  4. Step 4: Simplify right side
    140,205x = 92,249,483,076
  5. Step 5: Solve for x
    x = 92,249,483,076/140,205
  6. Step 6: Final answer
    x = 657,961.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.