Home / 68,856-151,680

Finding the Third Proportional to 68,856 and 151,680

Calculator

Solution

The third proportional to 68,856 and 151,680 is: 334,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,856 : 151,680 = 151,680 : x
  2. Step 2: Convert to fraction form
    68,856/151,680 = 151,680/x
  3. Step 3: Cross multiply
    68,856x = 151,680 × 151,680
  4. Step 4: Simplify right side
    68,856x = 23,006,822,400
  5. Step 5: Solve for x
    x = 23,006,822,400/68,856
  6. Step 6: Final answer
    x = 334,129.52

Related Problems

Find third proportional to 34,428 and 75,840
Half scale
Find third proportional to 137,712 and 303,360
Double scale
Find third proportional to 68,858 and 151,684
Similar ratio
Find third proportional to 103,284 and 227,520
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.