Home / 282,724-618,920

Finding the Third Proportional to 282,724 and 618,920

Calculator

Solution

The third proportional to 282,724 and 618,920 is: 1,354,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,724 : 618,920 = 618,920 : x
  2. Step 2: Convert to fraction form
    282,724/618,920 = 618,920/x
  3. Step 3: Cross multiply
    282,724x = 618,920 × 618,920
  4. Step 4: Simplify right side
    282,724x = 383,061,966,400
  5. Step 5: Solve for x
    x = 383,061,966,400/282,724
  6. Step 6: Final answer
    x = 1,354,897.24

Related Problems

Find third proportional to 141,362 and 309,460
Half scale
Find third proportional to 565,448 and 1,237,840
Double scale
Find third proportional to 282,726 and 618,924
Similar ratio
Find third proportional to 424,086 and 928,380
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.