Home / 278,064-610,270

Finding the Third Proportional to 278,064 and 610,270

Calculator

Solution

The third proportional to 278,064 and 610,270 is: 1,339,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,064 : 610,270 = 610,270 : x
  2. Step 2: Convert to fraction form
    278,064/610,270 = 610,270/x
  3. Step 3: Cross multiply
    278,064x = 610,270 × 610,270
  4. Step 4: Simplify right side
    278,064x = 372,429,472,900
  5. Step 5: Solve for x
    x = 372,429,472,900/278,064
  6. Step 6: Final answer
    x = 1,339,366.02

Related Problems

Find third proportional to 139,032 and 305,135
Half scale
Find third proportional to 556,128 and 1,220,540
Double scale
Find third proportional to 278,066 and 610,274
Similar ratio
Find third proportional to 417,096 and 915,405
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.