Home / 400,748-842,995

Finding the Third Proportional to 400,748 and 842,995

Calculator

Solution

The third proportional to 400,748 and 842,995 is: 1,773,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,748 : 842,995 = 842,995 : x
  2. Step 2: Convert to fraction form
    400,748/842,995 = 842,995/x
  3. Step 3: Cross multiply
    400,748x = 842,995 × 842,995
  4. Step 4: Simplify right side
    400,748x = 710,640,570,025
  5. Step 5: Solve for x
    x = 710,640,570,025/400,748
  6. Step 6: Final answer
    x = 1,773,285.38

Related Problems

Find third proportional to 200,374 and 421,497.50
Half scale
Find third proportional to 801,496 and 1,685,990
Double scale
Find third proportional to 400,750 and 842,999
Similar ratio
Find third proportional to 601,122 and 1,264,492.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.