Home / 118,335-257,406

Finding the Third Proportional to 118,335 and 257,406

Calculator

Solution

The third proportional to 118,335 and 257,406 is: 559,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,335 : 257,406 = 257,406 : x
  2. Step 2: Convert to fraction form
    118,335/257,406 = 257,406/x
  3. Step 3: Cross multiply
    118,335x = 257,406 × 257,406
  4. Step 4: Simplify right side
    118,335x = 66,257,848,836
  5. Step 5: Solve for x
    x = 66,257,848,836/118,335
  6. Step 6: Final answer
    x = 559,917.60

Related Problems

Find third proportional to 59,167.50 and 128,703
Half scale
Find third proportional to 236,670 and 514,812
Double scale
Find third proportional to 118,337 and 257,410
Similar ratio
Find third proportional to 177,502.50 and 386,109
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.