Home / 99,064-207,920

Finding the Third Proportional to 99,064 and 207,920

Calculator

Solution

The third proportional to 99,064 and 207,920 is: 436,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,064 : 207,920 = 207,920 : x
  2. Step 2: Convert to fraction form
    99,064/207,920 = 207,920/x
  3. Step 3: Cross multiply
    99,064x = 207,920 × 207,920
  4. Step 4: Simplify right side
    99,064x = 43,230,726,400
  5. Step 5: Solve for x
    x = 43,230,726,400/99,064
  6. Step 6: Final answer
    x = 436,391.89

Related Problems

Find third proportional to 49,532 and 103,960
Half scale
Find third proportional to 198,128 and 415,840
Double scale
Find third proportional to 99,066 and 207,924
Similar ratio
Find third proportional to 148,596 and 311,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.