Home / 163,680-252,756

Finding the Third Proportional to 163,680 and 252,756

Calculator

Solution

The third proportional to 163,680 and 252,756 is: 390,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,680 : 252,756 = 252,756 : x
  2. Step 2: Convert to fraction form
    163,680/252,756 = 252,756/x
  3. Step 3: Cross multiply
    163,680x = 252,756 × 252,756
  4. Step 4: Simplify right side
    163,680x = 63,885,595,536
  5. Step 5: Solve for x
    x = 63,885,595,536/163,680
  6. Step 6: Final answer
    x = 390,307.89

Related Problems

Find third proportional to 81,840 and 126,378
Half scale
Find third proportional to 327,360 and 505,512
Double scale
Find third proportional to 163,682 and 252,759
Similar ratio
Find third proportional to 245,520 and 379,134
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.