Home / 56,121-122,772

Finding the Third Proportional to 56,121 and 122,772

Calculator

Solution

The third proportional to 56,121 and 122,772 is: 268,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,121 : 122,772 = 122,772 : x
  2. Step 2: Convert to fraction form
    56,121/122,772 = 122,772/x
  3. Step 3: Cross multiply
    56,121x = 122,772 × 122,772
  4. Step 4: Simplify right side
    56,121x = 15,072,963,984
  5. Step 5: Solve for x
    x = 15,072,963,984/56,121
  6. Step 6: Final answer
    x = 268,579.75

Related Problems

Find third proportional to 28,060.50 and 61,386
Half scale
Find third proportional to 112,242 and 245,544
Double scale
Find third proportional to 56,123 and 122,776
Similar ratio
Find third proportional to 84,181.50 and 184,158
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.