Home / 220,730-491,424

Finding the Third Proportional to 220,730 and 491,424

Calculator

Solution

The third proportional to 220,730 and 491,424 is: 1,094,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,730 : 491,424 = 491,424 : x
  2. Step 2: Convert to fraction form
    220,730/491,424 = 491,424/x
  3. Step 3: Cross multiply
    220,730x = 491,424 × 491,424
  4. Step 4: Simplify right side
    220,730x = 241,497,547,776
  5. Step 5: Solve for x
    x = 241,497,547,776/220,730
  6. Step 6: Final answer
    x = 1,094,085.75

Related Problems

Find third proportional to 110,365 and 245,712
Half scale
Find third proportional to 441,460 and 982,848
Double scale
Find third proportional to 220,732 and 491,428
Similar ratio
Find third proportional to 331,095 and 737,136
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.