Home / 427,460-664,524

Finding the Third Proportional to 427,460 and 664,524

Calculator

Solution

The third proportional to 427,460 and 664,524 is: 1,033,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,460 : 664,524 = 664,524 : x
  2. Step 2: Convert to fraction form
    427,460/664,524 = 664,524/x
  3. Step 3: Cross multiply
    427,460x = 664,524 × 664,524
  4. Step 4: Simplify right side
    427,460x = 441,592,146,576
  5. Step 5: Solve for x
    x = 441,592,146,576/427,460
  6. Step 6: Final answer
    x = 1,033,060.75

Related Problems

Find third proportional to 213,730 and 332,262
Half scale
Find third proportional to 854,920 and 1,329,048
Double scale
Find third proportional to 427,462 and 664,527
Similar ratio
Find third proportional to 641,190 and 996,786
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.