Home / 299,040-653,120

Finding the Third Proportional to 299,040 and 653,120

Calculator

Solution

The third proportional to 299,040 and 653,120 is: 1,426,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,040 : 653,120 = 653,120 : x
  2. Step 2: Convert to fraction form
    299,040/653,120 = 653,120/x
  3. Step 3: Cross multiply
    299,040x = 653,120 × 653,120
  4. Step 4: Simplify right side
    299,040x = 426,565,734,400
  5. Step 5: Solve for x
    x = 426,565,734,400/299,040
  6. Step 6: Final answer
    x = 1,426,450.42

Related Problems

Find third proportional to 149,520 and 326,560
Half scale
Find third proportional to 598,080 and 1,306,240
Double scale
Find third proportional to 299,042 and 653,124
Similar ratio
Find third proportional to 448,560 and 979,680
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.