Home / 375,004-821,240

Finding the Third Proportional to 375,004 and 821,240

Calculator

Solution

The third proportional to 375,004 and 821,240 is: 1,798,474.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,004 : 821,240 = 821,240 : x
  2. Step 2: Convert to fraction form
    375,004/821,240 = 821,240/x
  3. Step 3: Cross multiply
    375,004x = 821,240 × 821,240
  4. Step 4: Simplify right side
    375,004x = 674,435,137,600
  5. Step 5: Solve for x
    x = 674,435,137,600/375,004
  6. Step 6: Final answer
    x = 1,798,474.52

Related Problems

Find third proportional to 187,502 and 410,620
Half scale
Find third proportional to 750,008 and 1,642,480
Double scale
Find third proportional to 375,006 and 821,244
Similar ratio
Find third proportional to 562,506 and 1,231,860
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.