Home / 57,074-117,780

Finding the Third Proportional to 57,074 and 117,780

Calculator

Solution

The third proportional to 57,074 and 117,780 is: 243,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,074 : 117,780 = 117,780 : x
  2. Step 2: Convert to fraction form
    57,074/117,780 = 117,780/x
  3. Step 3: Cross multiply
    57,074x = 117,780 × 117,780
  4. Step 4: Simplify right side
    57,074x = 13,872,128,400
  5. Step 5: Solve for x
    x = 13,872,128,400/57,074
  6. Step 6: Final answer
    x = 243,055.13

Related Problems

Find third proportional to 28,537 and 58,890
Half scale
Find third proportional to 114,148 and 235,560
Double scale
Find third proportional to 57,076 and 117,784
Similar ratio
Find third proportional to 85,611 and 176,670
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.