Home / 136,748-209,910

Finding the Third Proportional to 136,748 and 209,910

Calculator

Solution

The third proportional to 136,748 and 209,910 is: 322,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,748 : 209,910 = 209,910 : x
  2. Step 2: Convert to fraction form
    136,748/209,910 = 209,910/x
  3. Step 3: Cross multiply
    136,748x = 209,910 × 209,910
  4. Step 4: Simplify right side
    136,748x = 44,062,208,100
  5. Step 5: Solve for x
    x = 44,062,208,100/136,748
  6. Step 6: Final answer
    x = 322,214.64

Related Problems

Find third proportional to 68,374 and 104,955
Half scale
Find third proportional to 273,496 and 419,820
Double scale
Find third proportional to 136,750 and 209,913
Similar ratio
Find third proportional to 205,122 and 314,865
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.