Home / 66,514-147,789

Finding the Third Proportional to 66,514 and 147,789

Calculator

Solution

The third proportional to 66,514 and 147,789 is: 328,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514 : 147,789 = 147,789 : x
  2. Step 2: Convert to fraction form
    66,514/147,789 = 147,789/x
  3. Step 3: Cross multiply
    66,514x = 147,789 × 147,789
  4. Step 4: Simplify right side
    66,514x = 21,841,588,521
  5. Step 5: Solve for x
    x = 21,841,588,521/66,514
  6. Step 6: Final answer
    x = 328,375.81

Related Problems

Find third proportional to 33,257 and 73,894.50
Half scale
Find third proportional to 133,028 and 295,578
Double scale
Find third proportional to 66,516 and 147,793
Similar ratio
Find third proportional to 99,771 and 221,683.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.