Home / 55,485-84,611

Finding the Third Proportional to 55,485 and 84,611

Calculator

Solution

The third proportional to 55,485 and 84,611 is: 129,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,485 : 84,611 = 84,611 : x
  2. Step 2: Convert to fraction form
    55,485/84,611 = 84,611/x
  3. Step 3: Cross multiply
    55,485x = 84,611 × 84,611
  4. Step 4: Simplify right side
    55,485x = 7,159,021,321
  5. Step 5: Solve for x
    x = 7,159,021,321/55,485
  6. Step 6: Final answer
    x = 129,026.25

Related Problems

Find third proportional to 27,742.50 and 42,305.50
Half scale
Find third proportional to 110,970 and 169,222
Double scale
Find third proportional to 55,487 and 84,614
Similar ratio
Find third proportional to 83,227.50 and 126,916.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.