Home / 59,078-129,638

Finding the Third Proportional to 59,078 and 129,638

Calculator

Solution

The third proportional to 59,078 and 129,638 is: 284,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,078 : 129,638 = 129,638 : x
  2. Step 2: Convert to fraction form
    59,078/129,638 = 129,638/x
  3. Step 3: Cross multiply
    59,078x = 129,638 × 129,638
  4. Step 4: Simplify right side
    59,078x = 16,806,011,044
  5. Step 5: Solve for x
    x = 16,806,011,044/59,078
  6. Step 6: Final answer
    x = 284,471.56

Related Problems

Find third proportional to 29,539 and 64,819
Half scale
Find third proportional to 118,156 and 259,276
Double scale
Find third proportional to 59,080 and 129,642
Similar ratio
Find third proportional to 88,617 and 194,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.