Home / 258,908-553,794

Finding the Third Proportional to 258,908 and 553,794

Calculator

Solution

The third proportional to 258,908 and 553,794 is: 1,184,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,908 : 553,794 = 553,794 : x
  2. Step 2: Convert to fraction form
    258,908/553,794 = 553,794/x
  3. Step 3: Cross multiply
    258,908x = 553,794 × 553,794
  4. Step 4: Simplify right side
    258,908x = 306,687,794,436
  5. Step 5: Solve for x
    x = 306,687,794,436/258,908
  6. Step 6: Final answer
    x = 1,184,543.52

Related Problems

Find third proportional to 129,454 and 276,897
Half scale
Find third proportional to 517,816 and 1,107,588
Double scale
Find third proportional to 258,910 and 553,798
Similar ratio
Find third proportional to 388,362 and 830,691
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.