Home / 211,076-455,830

Finding the Third Proportional to 211,076 and 455,830

Calculator

Solution

The third proportional to 211,076 and 455,830 is: 984,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,076 : 455,830 = 455,830 : x
  2. Step 2: Convert to fraction form
    211,076/455,830 = 455,830/x
  3. Step 3: Cross multiply
    211,076x = 455,830 × 455,830
  4. Step 4: Simplify right side
    211,076x = 207,780,988,900
  5. Step 5: Solve for x
    x = 207,780,988,900/211,076
  6. Step 6: Final answer
    x = 984,389.46

Related Problems

Find third proportional to 105,538 and 227,915
Half scale
Find third proportional to 422,152 and 911,660
Double scale
Find third proportional to 211,078 and 455,834
Similar ratio
Find third proportional to 316,614 and 683,745
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.