Home / 728.25-1,153.13

Finding the Third Proportional to 728.25 and 1,153.13

Calculator

Solution

The third proportional to 728.25 and 1,153.13 is: 1,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    728.25 : 1,153.13 = 1,153.13 : x
  2. Step 2: Convert to fraction form
    728.25/1,153.13 = 1,153.13/x
  3. Step 3: Cross multiply
    728.25x = 1,153.13 × 1,153.13
  4. Step 4: Simplify right side
    728.25x = 1,329,697.27
  5. Step 5: Solve for x
    x = 1,329,697.27/728.25
  6. Step 6: Final answer
    x = 1,825.88

Related Problems

Find third proportional to 364.13 and 576.56
Half scale
Find third proportional to 1,456.50 and 2,306.25
Double scale
Find third proportional to 730 and 1,156
Similar ratio
Find third proportional to 1,092.38 and 1,729.69
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.