Home / 61,010-129,796

Finding the Third Proportional to 61,010 and 129,796

Calculator

Solution

The third proportional to 61,010 and 129,796 is: 276,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,010 : 129,796 = 129,796 : x
  2. Step 2: Convert to fraction form
    61,010/129,796 = 129,796/x
  3. Step 3: Cross multiply
    61,010x = 129,796 × 129,796
  4. Step 4: Simplify right side
    61,010x = 16,847,001,616
  5. Step 5: Solve for x
    x = 16,847,001,616/61,010
  6. Step 6: Final answer
    x = 276,135.09

Related Problems

Find third proportional to 30,505 and 64,898
Half scale
Find third proportional to 122,020 and 259,592
Double scale
Find third proportional to 61,012 and 129,800
Similar ratio
Find third proportional to 91,515 and 194,694
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.