Home / 403,640-886,000

Finding the Third Proportional to 403,640 and 886,000

Calculator

Solution

The third proportional to 403,640 and 886,000 is: 1,944,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,640 : 886,000 = 886,000 : x
  2. Step 2: Convert to fraction form
    403,640/886,000 = 886,000/x
  3. Step 3: Cross multiply
    403,640x = 886,000 × 886,000
  4. Step 4: Simplify right side
    403,640x = 784,996,000,000
  5. Step 5: Solve for x
    x = 784,996,000,000/403,640
  6. Step 6: Final answer
    x = 1,944,792.39

Related Problems

Find third proportional to 201,820 and 443,000
Half scale
Find third proportional to 807,280 and 1,772,000
Double scale
Find third proportional to 403,642 and 886,004
Similar ratio
Find third proportional to 605,460 and 1,329,000
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.