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Finding the Third Proportional to 874,146 and 1,319,260

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Solution

The third proportional to 874,146 and 1,319,260 is: 1,991,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,146 : 1,319,260 = 1,319,260 : x
  2. Step 2: Convert to fraction form
    874,146/1,319,260 = 1,319,260/x
  3. Step 3: Cross multiply
    874,146x = 1,319,260 × 1,319,260
  4. Step 4: Simplify right side
    874,146x = 1,740,446,947,600
  5. Step 5: Solve for x
    x = 1,740,446,947,600/874,146
  6. Step 6: Final answer
    x = 1,991,025.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.