Home / 69,142-148,794

Finding the Third Proportional to 69,142 and 148,794

Calculator

Solution

The third proportional to 69,142 and 148,794 is: 320,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,142 : 148,794 = 148,794 : x
  2. Step 2: Convert to fraction form
    69,142/148,794 = 148,794/x
  3. Step 3: Cross multiply
    69,142x = 148,794 × 148,794
  4. Step 4: Simplify right side
    69,142x = 22,139,654,436
  5. Step 5: Solve for x
    x = 22,139,654,436/69,142
  6. Step 6: Final answer
    x = 320,205.58

Related Problems

Find third proportional to 34,571 and 74,397
Half scale
Find third proportional to 138,284 and 297,588
Double scale
Find third proportional to 69,144 and 148,798
Similar ratio
Find third proportional to 103,713 and 223,191
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.