Home / 425,116-635,405

Finding the Third Proportional to 425,116 and 635,405

Calculator

Solution

The third proportional to 425,116 and 635,405 is: 949,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,116 : 635,405 = 635,405 : x
  2. Step 2: Convert to fraction form
    425,116/635,405 = 635,405/x
  3. Step 3: Cross multiply
    425,116x = 635,405 × 635,405
  4. Step 4: Simplify right side
    425,116x = 403,739,514,025
  5. Step 5: Solve for x
    x = 403,739,514,025/425,116
  6. Step 6: Final answer
    x = 949,716.11

Related Problems

Find third proportional to 212,558 and 317,702.50
Half scale
Find third proportional to 850,232 and 1,270,810
Double scale
Find third proportional to 425,118 and 635,408
Similar ratio
Find third proportional to 637,674 and 953,107.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.