Home / 17,118-27,129

Finding the Third Proportional to 17,118 and 27,129

Calculator

Solution

The third proportional to 17,118 and 27,129 is: 42,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118 : 27,129 = 27,129 : x
  2. Step 2: Convert to fraction form
    17,118/27,129 = 27,129/x
  3. Step 3: Cross multiply
    17,118x = 27,129 × 27,129
  4. Step 4: Simplify right side
    17,118x = 735,982,641
  5. Step 5: Solve for x
    x = 735,982,641/17,118
  6. Step 6: Final answer
    x = 42,994.66

Related Problems

Find third proportional to 8,559 and 13,564.50
Half scale
Find third proportional to 34,236 and 54,258
Double scale
Find third proportional to 17,120 and 27,132
Similar ratio
Find third proportional to 25,677 and 40,693.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.