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Finding the Third Proportional to 3,485,649 and 5,280,637.50

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Solution

The third proportional to 3,485,649 and 5,280,637.50 is: 7,999,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,649 : 5,280,637.50 = 5,280,637.50 : x
  2. Step 2: Convert to fraction form
    3,485,649/5,280,637.50 = 5,280,637.50/x
  3. Step 3: Cross multiply
    3,485,649x = 5,280,637.50 × 5,280,637.50
  4. Step 4: Simplify right side
    3,485,649x = 27,885,132,406,406.25
  5. Step 5: Solve for x
    x = 27,885,132,406,406.25/3,485,649
  6. Step 6: Final answer
    x = 7,999,982.90

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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.