Home / 55,782-121,580

Finding the Third Proportional to 55,782 and 121,580

Calculator

Solution

The third proportional to 55,782 and 121,580 is: 264,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,782 : 121,580 = 121,580 : x
  2. Step 2: Convert to fraction form
    55,782/121,580 = 121,580/x
  3. Step 3: Cross multiply
    55,782x = 121,580 × 121,580
  4. Step 4: Simplify right side
    55,782x = 14,781,696,400
  5. Step 5: Solve for x
    x = 14,781,696,400/55,782
  6. Step 6: Final answer
    x = 264,990.43

Related Problems

Find third proportional to 27,891 and 60,790
Half scale
Find third proportional to 111,564 and 243,160
Double scale
Find third proportional to 55,784 and 121,584
Similar ratio
Find third proportional to 83,673 and 182,370
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.