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Finding the Third Proportional to 891,992 and 1,358,901

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Solution

The third proportional to 891,992 and 1,358,901 is: 2,070,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,992 : 1,358,901 = 1,358,901 : x
  2. Step 2: Convert to fraction form
    891,992/1,358,901 = 1,358,901/x
  3. Step 3: Cross multiply
    891,992x = 1,358,901 × 1,358,901
  4. Step 4: Simplify right side
    891,992x = 1,846,611,927,801
  5. Step 5: Solve for x
    x = 1,846,611,927,801/891,992
  6. Step 6: Final answer
    x = 2,070,211.31

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.