Home / 34,120-74,428

Finding the Third Proportional to 34,120 and 74,428

Calculator

Solution

The third proportional to 34,120 and 74,428 is: 162,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120 : 74,428 = 74,428 : x
  2. Step 2: Convert to fraction form
    34,120/74,428 = 74,428/x
  3. Step 3: Cross multiply
    34,120x = 74,428 × 74,428
  4. Step 4: Simplify right side
    34,120x = 5,539,527,184
  5. Step 5: Solve for x
    x = 5,539,527,184/34,120
  6. Step 6: Final answer
    x = 162,354.26

Related Problems

Find third proportional to 17,060 and 37,214
Half scale
Find third proportional to 68,240 and 148,856
Double scale
Find third proportional to 34,122 and 74,432
Similar ratio
Find third proportional to 51,180 and 111,642
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.