Home / 310,512-668,592

Finding the Third Proportional to 310,512 and 668,592

Calculator

Solution

The third proportional to 310,512 and 668,592 is: 1,439,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,512 : 668,592 = 668,592 : x
  2. Step 2: Convert to fraction form
    310,512/668,592 = 668,592/x
  3. Step 3: Cross multiply
    310,512x = 668,592 × 668,592
  4. Step 4: Simplify right side
    310,512x = 447,015,262,464
  5. Step 5: Solve for x
    x = 447,015,262,464/310,512
  6. Step 6: Final answer
    x = 1,439,607.04

Related Problems

Find third proportional to 155,256 and 334,296
Half scale
Find third proportional to 621,024 and 1,337,184
Double scale
Find third proportional to 310,514 and 668,596
Similar ratio
Find third proportional to 465,768 and 1,002,888
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.