Home / 560-1,218

Finding the Third Proportional to 560 and 1,218

Calculator

Solution

The third proportional to 560 and 1,218 is: 2,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560 : 1,218 = 1,218 : x
  2. Step 2: Convert to fraction form
    560/1,218 = 1,218/x
  3. Step 3: Cross multiply
    560x = 1,218 × 1,218
  4. Step 4: Simplify right side
    560x = 1,483,524
  5. Step 5: Solve for x
    x = 1,483,524/560
  6. Step 6: Final answer
    x = 2,649.15

Related Problems

Find third proportional to 280 and 609
Half scale
Find third proportional to 1,120 and 2,436
Double scale
Find third proportional to 562 and 1,222
Similar ratio
Find third proportional to 840 and 1,827
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.