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Finding the Third Proportional to 715,179 and 1,489,146

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Solution

The third proportional to 715,179 and 1,489,146 is: 3,100,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,179 : 1,489,146 = 1,489,146 : x
  2. Step 2: Convert to fraction form
    715,179/1,489,146 = 1,489,146/x
  3. Step 3: Cross multiply
    715,179x = 1,489,146 × 1,489,146
  4. Step 4: Simplify right side
    715,179x = 2,217,555,809,316
  5. Step 5: Solve for x
    x = 2,217,555,809,316/715,179
  6. Step 6: Final answer
    x = 3,100,700.40

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.