Home / 197,028-288,630

Finding the Third Proportional to 197,028 and 288,630

Calculator

Solution

The third proportional to 197,028 and 288,630 is: 422,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,028 : 288,630 = 288,630 : x
  2. Step 2: Convert to fraction form
    197,028/288,630 = 288,630/x
  3. Step 3: Cross multiply
    197,028x = 288,630 × 288,630
  4. Step 4: Simplify right side
    197,028x = 83,307,276,900
  5. Step 5: Solve for x
    x = 83,307,276,900/197,028
  6. Step 6: Final answer
    x = 422,819.48

Related Problems

Find third proportional to 98,514 and 144,315
Half scale
Find third proportional to 394,056 and 577,260
Double scale
Find third proportional to 197,030 and 288,633
Similar ratio
Find third proportional to 295,542 and 432,945
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.