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Finding the Third Proportional to 993,447 and 2,145,690

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Solution

The third proportional to 993,447 and 2,145,690 is: 4,634,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,447 : 2,145,690 = 2,145,690 : x
  2. Step 2: Convert to fraction form
    993,447/2,145,690 = 2,145,690/x
  3. Step 3: Cross multiply
    993,447x = 2,145,690 × 2,145,690
  4. Step 4: Simplify right side
    993,447x = 4,603,985,576,100
  5. Step 5: Solve for x
    x = 4,603,985,576,100/993,447
  6. Step 6: Final answer
    x = 4,634,354.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.