Home / 302.44-431.63

Finding the Third Proportional to 302.44 and 431.63

Calculator

Solution

The third proportional to 302.44 and 431.63 is: 616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.44 : 431.63 = 431.63 : x
  2. Step 2: Convert to fraction form
    302.44/431.63 = 431.63/x
  3. Step 3: Cross multiply
    302.44x = 431.63 × 431.63
  4. Step 4: Simplify right side
    302.44x = 186,300.14
  5. Step 5: Solve for x
    x = 186,300.14/302.44
  6. Step 6: Final answer
    x = 616.00

Related Problems

Find third proportional to 151.22 and 215.81
Half scale
Find third proportional to 604.88 and 863.25
Double scale
Find third proportional to 304 and 434
Similar ratio
Find third proportional to 453.66 and 647.44
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.