Home / 256,329-560,908.50

Finding the Third Proportional to 256,329 and 560,908.50

Calculator

Solution

The third proportional to 256,329 and 560,908.50 is: 1,227,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,329 : 560,908.50 = 560,908.50 : x
  2. Step 2: Convert to fraction form
    256,329/560,908.50 = 560,908.50/x
  3. Step 3: Cross multiply
    256,329x = 560,908.50 × 560,908.50
  4. Step 4: Simplify right side
    256,329x = 314,618,345,372.25
  5. Step 5: Solve for x
    x = 314,618,345,372.25/256,329
  6. Step 6: Final answer
    x = 1,227,400.51

Related Problems

Find third proportional to 128,164.50 and 280,454.25
Half scale
Find third proportional to 512,658 and 1,121,817
Double scale
Find third proportional to 256,331 and 560,913
Similar ratio
Find third proportional to 384,493.50 and 841,362.75
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.