Home / 85,078-130,590

Finding the Third Proportional to 85,078 and 130,590

Calculator

Solution

The third proportional to 85,078 and 130,590 is: 200,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,078 : 130,590 = 130,590 : x
  2. Step 2: Convert to fraction form
    85,078/130,590 = 130,590/x
  3. Step 3: Cross multiply
    85,078x = 130,590 × 130,590
  4. Step 4: Simplify right side
    85,078x = 17,053,748,100
  5. Step 5: Solve for x
    x = 17,053,748,100/85,078
  6. Step 6: Final answer
    x = 200,448.39

Related Problems

Find third proportional to 42,539 and 65,295
Half scale
Find third proportional to 170,156 and 261,180
Double scale
Find third proportional to 85,080 and 130,593
Similar ratio
Find third proportional to 127,617 and 195,885
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.