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Finding the Third Proportional to 3,990,130.50 and 6,191,037

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Solution

The third proportional to 3,990,130.50 and 6,191,037 is: 9,605,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,130.50 : 6,191,037 = 6,191,037 : x
  2. Step 2: Convert to fraction form
    3,990,130.50/6,191,037 = 6,191,037/x
  3. Step 3: Cross multiply
    3,990,130.50x = 6,191,037 × 6,191,037
  4. Step 4: Simplify right side
    3,990,130.50x = 38,328,939,135,369
  5. Step 5: Solve for x
    x = 38,328,939,135,369/3,990,130.50
  6. Step 6: Final answer
    x = 9,605,936.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.