Home / 128,080-297,744

Finding the Third Proportional to 128,080 and 297,744

Calculator

Solution

The third proportional to 128,080 and 297,744 is: 692,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,080 : 297,744 = 297,744 : x
  2. Step 2: Convert to fraction form
    128,080/297,744 = 297,744/x
  3. Step 3: Cross multiply
    128,080x = 297,744 × 297,744
  4. Step 4: Simplify right side
    128,080x = 88,651,489,536
  5. Step 5: Solve for x
    x = 88,651,489,536/128,080
  6. Step 6: Final answer
    x = 692,157.16

Related Problems

Find third proportional to 64,040 and 148,872
Half scale
Find third proportional to 256,160 and 595,488
Double scale
Find third proportional to 128,082 and 297,749
Similar ratio
Find third proportional to 192,120 and 446,616
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.