Home / 208,418-491,501

Finding the Third Proportional to 208,418 and 491,501

Calculator

Solution

The third proportional to 208,418 and 491,501 is: 1,159,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,418 : 491,501 = 491,501 : x
  2. Step 2: Convert to fraction form
    208,418/491,501 = 491,501/x
  3. Step 3: Cross multiply
    208,418x = 491,501 × 491,501
  4. Step 4: Simplify right side
    208,418x = 241,573,233,001
  5. Step 5: Solve for x
    x = 241,573,233,001/208,418
  6. Step 6: Final answer
    x = 1,159,080.47

Related Problems

Find third proportional to 104,209 and 245,750.50
Half scale
Find third proportional to 416,836 and 983,002
Double scale
Find third proportional to 208,420 and 491,506
Similar ratio
Find third proportional to 312,627 and 737,251.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.