Home / 144,540-316,296

Finding the Third Proportional to 144,540 and 316,296

Calculator

Solution

The third proportional to 144,540 and 316,296 is: 692,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,540 : 316,296 = 316,296 : x
  2. Step 2: Convert to fraction form
    144,540/316,296 = 316,296/x
  3. Step 3: Cross multiply
    144,540x = 316,296 × 316,296
  4. Step 4: Simplify right side
    144,540x = 100,043,159,616
  5. Step 5: Solve for x
    x = 100,043,159,616/144,540
  6. Step 6: Final answer
    x = 692,148.61

Related Problems

Find third proportional to 72,270 and 158,148
Half scale
Find third proportional to 289,080 and 632,592
Double scale
Find third proportional to 144,542 and 316,300
Similar ratio
Find third proportional to 216,810 and 474,444
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.