Home / 58,832-128,240

Finding the Third Proportional to 58,832 and 128,240

Calculator

Solution

The third proportional to 58,832 and 128,240 is: 279,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,832 : 128,240 = 128,240 : x
  2. Step 2: Convert to fraction form
    58,832/128,240 = 128,240/x
  3. Step 3: Cross multiply
    58,832x = 128,240 × 128,240
  4. Step 4: Simplify right side
    58,832x = 16,445,497,600
  5. Step 5: Solve for x
    x = 16,445,497,600/58,832
  6. Step 6: Final answer
    x = 279,533.21

Related Problems

Find third proportional to 29,416 and 64,120
Half scale
Find third proportional to 117,664 and 256,480
Double scale
Find third proportional to 58,834 and 128,244
Similar ratio
Find third proportional to 88,248 and 192,360
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.