Home / 319,440-494,550

Finding the Third Proportional to 319,440 and 494,550

Calculator

Solution

The third proportional to 319,440 and 494,550 is: 765,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,440 : 494,550 = 494,550 : x
  2. Step 2: Convert to fraction form
    319,440/494,550 = 494,550/x
  3. Step 3: Cross multiply
    319,440x = 494,550 × 494,550
  4. Step 4: Simplify right side
    319,440x = 244,579,702,500
  5. Step 5: Solve for x
    x = 244,579,702,500/319,440
  6. Step 6: Final answer
    x = 765,651.46

Related Problems

Find third proportional to 159,720 and 247,275
Half scale
Find third proportional to 638,880 and 989,100
Double scale
Find third proportional to 319,442 and 494,553
Similar ratio
Find third proportional to 479,160 and 741,825
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.