Home / 138,148-163,663

Finding the Third Proportional to 138,148 and 163,663

Calculator

Solution

The third proportional to 138,148 and 163,663 is: 193,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,148 : 163,663 = 163,663 : x
  2. Step 2: Convert to fraction form
    138,148/163,663 = 163,663/x
  3. Step 3: Cross multiply
    138,148x = 163,663 × 163,663
  4. Step 4: Simplify right side
    138,148x = 26,785,577,569
  5. Step 5: Solve for x
    x = 26,785,577,569/138,148
  6. Step 6: Final answer
    x = 193,890.45

Related Problems

Find third proportional to 69,074 and 81,831.50
Half scale
Find third proportional to 276,296 and 327,326
Double scale
Find third proportional to 138,150 and 163,665
Similar ratio
Find third proportional to 207,222 and 245,494.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.