Home / 280,588-613,748

Finding the Third Proportional to 280,588 and 613,748

Calculator

Solution

The third proportional to 280,588 and 613,748 is: 1,342,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,588 : 613,748 = 613,748 : x
  2. Step 2: Convert to fraction form
    280,588/613,748 = 613,748/x
  3. Step 3: Cross multiply
    280,588x = 613,748 × 613,748
  4. Step 4: Simplify right side
    280,588x = 376,686,607,504
  5. Step 5: Solve for x
    x = 376,686,607,504/280,588
  6. Step 6: Final answer
    x = 1,342,490.08

Related Problems

Find third proportional to 140,294 and 306,874
Half scale
Find third proportional to 561,176 and 1,227,496
Double scale
Find third proportional to 280,590 and 613,752
Similar ratio
Find third proportional to 420,882 and 920,622
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.