Home / 69,030-148,934

Finding the Third Proportional to 69,030 and 148,934

Calculator

Solution

The third proportional to 69,030 and 148,934 is: 321,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,030 : 148,934 = 148,934 : x
  2. Step 2: Convert to fraction form
    69,030/148,934 = 148,934/x
  3. Step 3: Cross multiply
    69,030x = 148,934 × 148,934
  4. Step 4: Simplify right side
    69,030x = 22,181,336,356
  5. Step 5: Solve for x
    x = 22,181,336,356/69,030
  6. Step 6: Final answer
    x = 321,328.93

Related Problems

Find third proportional to 34,515 and 74,467
Half scale
Find third proportional to 138,060 and 297,868
Double scale
Find third proportional to 69,032 and 148,938
Similar ratio
Find third proportional to 103,545 and 223,401
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.