Home / 256,330-560,910

Finding the Third Proportional to 256,330 and 560,910

Calculator

Solution

The third proportional to 256,330 and 560,910 is: 1,227,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,330 : 560,910 = 560,910 : x
  2. Step 2: Convert to fraction form
    256,330/560,910 = 560,910/x
  3. Step 3: Cross multiply
    256,330x = 560,910 × 560,910
  4. Step 4: Simplify right side
    256,330x = 314,620,028,100
  5. Step 5: Solve for x
    x = 314,620,028,100/256,330
  6. Step 6: Final answer
    x = 1,227,402.29

Related Problems

Find third proportional to 128,165 and 280,455
Half scale
Find third proportional to 512,660 and 1,121,820
Double scale
Find third proportional to 256,332 and 560,914
Similar ratio
Find third proportional to 384,495 and 841,365
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.