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Finding the Third Proportional to 19,515.94 and 31,119.19

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Solution

The third proportional to 19,515.94 and 31,119.19 is: 49,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.94 : 31,119.19 = 31,119.19 : x
  2. Step 2: Convert to fraction form
    19,515.94/31,119.19 = 31,119.19/x
  3. Step 3: Cross multiply
    19,515.94x = 31,119.19 × 31,119.19
  4. Step 4: Simplify right side
    19,515.94x = 968,403,830.66
  5. Step 5: Solve for x
    x = 968,403,830.66/19,515.94
  6. Step 6: Final answer
    x = 49,621.18

Related Problems

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.