Home / 255,206-559,258

Finding the Third Proportional to 255,206 and 559,258

Calculator

Solution

The third proportional to 255,206 and 559,258 is: 1,225,557.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,206 : 559,258 = 559,258 : x
  2. Step 2: Convert to fraction form
    255,206/559,258 = 559,258/x
  3. Step 3: Cross multiply
    255,206x = 559,258 × 559,258
  4. Step 4: Simplify right side
    255,206x = 312,769,510,564
  5. Step 5: Solve for x
    x = 312,769,510,564/255,206
  6. Step 6: Final answer
    x = 1,225,557.04

Related Problems

Find third proportional to 127,603 and 279,629
Half scale
Find third proportional to 510,412 and 1,118,516
Double scale
Find third proportional to 255,208 and 559,262
Similar ratio
Find third proportional to 382,809 and 838,887
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.