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Finding the Third Proportional to 6,431,117.50 and 13,391,489

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Solution

The third proportional to 6,431,117.50 and 13,391,489 is: 27,885,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431,117.50 : 13,391,489 = 13,391,489 : x
  2. Step 2: Convert to fraction form
    6,431,117.50/13,391,489 = 13,391,489/x
  3. Step 3: Cross multiply
    6,431,117.50x = 13,391,489 × 13,391,489
  4. Step 4: Simplify right side
    6,431,117.50x = 179,331,977,637,121
  5. Step 5: Solve for x
    x = 179,331,977,637,121/6,431,117.50
  6. Step 6: Final answer
    x = 27,885,041.38

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.