Home / 134,368-209,721

Finding the Third Proportional to 134,368 and 209,721

Calculator

Solution

The third proportional to 134,368 and 209,721 is: 327,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,368 : 209,721 = 209,721 : x
  2. Step 2: Convert to fraction form
    134,368/209,721 = 209,721/x
  3. Step 3: Cross multiply
    134,368x = 209,721 × 209,721
  4. Step 4: Simplify right side
    134,368x = 43,982,897,841
  5. Step 5: Solve for x
    x = 43,982,897,841/134,368
  6. Step 6: Final answer
    x = 327,331.64

Related Problems

Find third proportional to 67,184 and 104,860.50
Half scale
Find third proportional to 268,736 and 419,442
Double scale
Find third proportional to 134,370 and 209,724
Similar ratio
Find third proportional to 201,552 and 314,581.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.