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Finding the Third Proportional to 907,785 and 1,319,112

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Solution

The third proportional to 907,785 and 1,319,112 is: 1,916,815.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,785 : 1,319,112 = 1,319,112 : x
  2. Step 2: Convert to fraction form
    907,785/1,319,112 = 1,319,112/x
  3. Step 3: Cross multiply
    907,785x = 1,319,112 × 1,319,112
  4. Step 4: Simplify right side
    907,785x = 1,740,056,468,544
  5. Step 5: Solve for x
    x = 1,740,056,468,544/907,785
  6. Step 6: Final answer
    x = 1,916,815.62

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.