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Finding the Third Proportional to 12,799,297.50 and 18,719,940.38

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Solution

The third proportional to 12,799,297.50 and 18,719,940.38 is: 27,379,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,297.50 : 18,719,940.38 = 18,719,940.38 : x
  2. Step 2: Convert to fraction form
    12,799,297.50/18,719,940.38 = 18,719,940.38/x
  3. Step 3: Cross multiply
    12,799,297.50x = 18,719,940.38 × 18,719,940.38
  4. Step 4: Simplify right side
    12,799,297.50x = 350,436,167,643,555.12
  5. Step 5: Solve for x
    x = 350,436,167,643,555.12/12,799,297.50
  6. Step 6: Final answer
    x = 27,379,328.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.