Home / 286,590-607,317

Finding the Third Proportional to 286,590 and 607,317

Calculator

Solution

The third proportional to 286,590 and 607,317 is: 1,286,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,590 : 607,317 = 607,317 : x
  2. Step 2: Convert to fraction form
    286,590/607,317 = 607,317/x
  3. Step 3: Cross multiply
    286,590x = 607,317 × 607,317
  4. Step 4: Simplify right side
    286,590x = 368,833,938,489
  5. Step 5: Solve for x
    x = 368,833,938,489/286,590
  6. Step 6: Final answer
    x = 1,286,974.21

Related Problems

Find third proportional to 143,295 and 303,658.50
Half scale
Find third proportional to 573,180 and 1,214,634
Double scale
Find third proportional to 286,592 and 607,321
Similar ratio
Find third proportional to 429,885 and 910,975.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.