Home / 740,628-1,121,328

Finding the Third Proportional to 740,628 and 1,121,328

Calculator

Solution

The third proportional to 740,628 and 1,121,328 is: 1,697,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,628 : 1,121,328 = 1,121,328 : x
  2. Step 2: Convert to fraction form
    740,628/1,121,328 = 1,121,328/x
  3. Step 3: Cross multiply
    740,628x = 1,121,328 × 1,121,328
  4. Step 4: Simplify right side
    740,628x = 1,257,376,483,584
  5. Step 5: Solve for x
    x = 1,257,376,483,584/740,628
  6. Step 6: Final answer
    x = 1,697,716.65

Related Problems

Find third proportional to 370,314 and 560,664
Half scale
Find third proportional to 1,481,256 and 2,242,656
Double scale
Find third proportional to 740,630 and 1,121,331
Similar ratio
Find third proportional to 1,110,942 and 1,681,992
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.