Home / 258,523-372,349

Finding the Third Proportional to 258,523 and 372,349

Calculator

Solution

The third proportional to 258,523 and 372,349 is: 536,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,523 : 372,349 = 372,349 : x
  2. Step 2: Convert to fraction form
    258,523/372,349 = 372,349/x
  3. Step 3: Cross multiply
    258,523x = 372,349 × 372,349
  4. Step 4: Simplify right side
    258,523x = 138,643,777,801
  5. Step 5: Solve for x
    x = 138,643,777,801/258,523
  6. Step 6: Final answer
    x = 536,291.85

Related Problems

Find third proportional to 129,261.50 and 186,174.50
Half scale
Find third proportional to 517,046 and 744,698
Double scale
Find third proportional to 258,525 and 372,352
Similar ratio
Find third proportional to 387,784.50 and 558,523.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.