Home / 747,729-1,621,656

Finding the Third Proportional to 747,729 and 1,621,656

Calculator

Solution

The third proportional to 747,729 and 1,621,656 is: 3,517,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,729 : 1,621,656 = 1,621,656 : x
  2. Step 2: Convert to fraction form
    747,729/1,621,656 = 1,621,656/x
  3. Step 3: Cross multiply
    747,729x = 1,621,656 × 1,621,656
  4. Step 4: Simplify right side
    747,729x = 2,629,768,182,336
  5. Step 5: Solve for x
    x = 2,629,768,182,336/747,729
  6. Step 6: Final answer
    x = 3,517,007.07

Related Problems

Find third proportional to 373,864.50 and 810,828
Half scale
Find third proportional to 1,495,458 and 3,243,312
Double scale
Find third proportional to 747,731 and 1,621,660
Similar ratio
Find third proportional to 1,121,593.50 and 2,432,484
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.