Home / 163,128-219,540

Finding the Third Proportional to 163,128 and 219,540

Calculator

Solution

The third proportional to 163,128 and 219,540 is: 295,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,128 : 219,540 = 219,540 : x
  2. Step 2: Convert to fraction form
    163,128/219,540 = 219,540/x
  3. Step 3: Cross multiply
    163,128x = 219,540 × 219,540
  4. Step 4: Simplify right side
    163,128x = 48,197,811,600
  5. Step 5: Solve for x
    x = 48,197,811,600/163,128
  6. Step 6: Final answer
    x = 295,460.08

Related Problems

Find third proportional to 81,564 and 109,770
Half scale
Find third proportional to 326,256 and 439,080
Double scale
Find third proportional to 163,130 and 219,543
Similar ratio
Find third proportional to 244,692 and 329,310
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.