Home / 84,821-130,905

Finding the Third Proportional to 84,821 and 130,905

Calculator

Solution

The third proportional to 84,821 and 130,905 is: 202,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,821 : 130,905 = 130,905 : x
  2. Step 2: Convert to fraction form
    84,821/130,905 = 130,905/x
  3. Step 3: Cross multiply
    84,821x = 130,905 × 130,905
  4. Step 4: Simplify right side
    84,821x = 17,136,119,025
  5. Step 5: Solve for x
    x = 17,136,119,025/84,821
  6. Step 6: Final answer
    x = 202,026.85

Related Problems

Find third proportional to 42,410.50 and 65,452.50
Half scale
Find third proportional to 169,642 and 261,810
Double scale
Find third proportional to 84,823 and 130,908
Similar ratio
Find third proportional to 127,231.50 and 196,357.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.