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Finding the Third Proportional to 1,431,858 and 3,087,766.50

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Solution

The third proportional to 1,431,858 and 3,087,766.50 is: 6,658,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,858 : 3,087,766.50 = 3,087,766.50 : x
  2. Step 2: Convert to fraction form
    1,431,858/3,087,766.50 = 3,087,766.50/x
  3. Step 3: Cross multiply
    1,431,858x = 3,087,766.50 × 3,087,766.50
  4. Step 4: Simplify right side
    1,431,858x = 9,534,301,958,522.25
  5. Step 5: Solve for x
    x = 9,534,301,958,522.25/1,431,858
  6. Step 6: Final answer
    x = 6,658,692.38

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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.