Home / 108,821-239,708

Finding the Third Proportional to 108,821 and 239,708

Calculator

Solution

The third proportional to 108,821 and 239,708 is: 528,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,821 : 239,708 = 239,708 : x
  2. Step 2: Convert to fraction form
    108,821/239,708 = 239,708/x
  3. Step 3: Cross multiply
    108,821x = 239,708 × 239,708
  4. Step 4: Simplify right side
    108,821x = 57,459,925,264
  5. Step 5: Solve for x
    x = 57,459,925,264/108,821
  6. Step 6: Final answer
    x = 528,022.40

Related Problems

Find third proportional to 54,410.50 and 119,854
Half scale
Find third proportional to 217,642 and 479,416
Double scale
Find third proportional to 108,823 and 239,712
Similar ratio
Find third proportional to 163,231.50 and 359,562
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.