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Finding the Third Proportional to 1,643,679 and 2,408,656.50

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Solution

The third proportional to 1,643,679 and 2,408,656.50 is: 3,529,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,679 : 2,408,656.50 = 2,408,656.50 : x
  2. Step 2: Convert to fraction form
    1,643,679/2,408,656.50 = 2,408,656.50/x
  3. Step 3: Cross multiply
    1,643,679x = 2,408,656.50 × 2,408,656.50
  4. Step 4: Simplify right side
    1,643,679x = 5,801,626,134,992.25
  5. Step 5: Solve for x
    x = 5,801,626,134,992.25/1,643,679
  6. Step 6: Final answer
    x = 3,529,658.85

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.