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Finding the Third Proportional to 918,758.25 and 1,346,979.38

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Solution

The third proportional to 918,758.25 and 1,346,979.38 is: 1,974,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,758.25 : 1,346,979.38 = 1,346,979.38 : x
  2. Step 2: Convert to fraction form
    918,758.25/1,346,979.38 = 1,346,979.38/x
  3. Step 3: Cross multiply
    918,758.25x = 1,346,979.38 × 1,346,979.38
  4. Step 4: Simplify right side
    918,758.25x = 1,814,353,436,675.39
  5. Step 5: Solve for x
    x = 1,814,353,436,675.39/918,758.25
  6. Step 6: Final answer
    x = 1,974,788.73

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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.