Home / 158,943-330,816

Finding the Third Proportional to 158,943 and 330,816

Calculator

Solution

The third proportional to 158,943 and 330,816 is: 688,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,943 : 330,816 = 330,816 : x
  2. Step 2: Convert to fraction form
    158,943/330,816 = 330,816/x
  3. Step 3: Cross multiply
    158,943x = 330,816 × 330,816
  4. Step 4: Simplify right side
    158,943x = 109,439,225,856
  5. Step 5: Solve for x
    x = 109,439,225,856/158,943
  6. Step 6: Final answer
    x = 688,543.85

Related Problems

Find third proportional to 79,471.50 and 165,408
Half scale
Find third proportional to 317,886 and 661,632
Double scale
Find third proportional to 158,945 and 330,820
Similar ratio
Find third proportional to 238,414.50 and 496,224
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.