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Finding the Third Proportional to 17,955 and 39,130.88

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Solution

The third proportional to 17,955 and 39,130.88 is: 85,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955 : 39,130.88 = 39,130.88 : x
  2. Step 2: Convert to fraction form
    17,955/39,130.88 = 39,130.88/x
  3. Step 3: Cross multiply
    17,955x = 39,130.88 × 39,130.88
  4. Step 4: Simplify right side
    17,955x = 1,531,225,378.27
  5. Step 5: Solve for x
    x = 1,531,225,378.27/17,955
  6. Step 6: Final answer
    x = 85,281.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.