Home / 56,445-82,980

Finding the Third Proportional to 56,445 and 82,980

Calculator

Solution

The third proportional to 56,445 and 82,980 is: 121,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,445 : 82,980 = 82,980 : x
  2. Step 2: Convert to fraction form
    56,445/82,980 = 82,980/x
  3. Step 3: Cross multiply
    56,445x = 82,980 × 82,980
  4. Step 4: Simplify right side
    56,445x = 6,885,680,400
  5. Step 5: Solve for x
    x = 6,885,680,400/56,445
  6. Step 6: Final answer
    x = 121,989.20

Related Problems

Find third proportional to 28,222.50 and 41,490
Half scale
Find third proportional to 112,890 and 165,960
Double scale
Find third proportional to 56,447 and 82,983
Similar ratio
Find third proportional to 84,667.50 and 124,470
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.