Home / 491,464-660,434

Finding the Third Proportional to 491,464 and 660,434

Calculator

Solution

The third proportional to 491,464 and 660,434 is: 887,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,464 : 660,434 = 660,434 : x
  2. Step 2: Convert to fraction form
    491,464/660,434 = 660,434/x
  3. Step 3: Cross multiply
    491,464x = 660,434 × 660,434
  4. Step 4: Simplify right side
    491,464x = 436,173,068,356
  5. Step 5: Solve for x
    x = 436,173,068,356/491,464
  6. Step 6: Final answer
    x = 887,497.49

Related Problems

Find third proportional to 245,732 and 330,217
Half scale
Find third proportional to 982,928 and 1,320,868
Double scale
Find third proportional to 491,466 and 660,437
Similar ratio
Find third proportional to 737,196 and 990,651
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.