Home / 269,744-405,488

Finding the Third Proportional to 269,744 and 405,488

Calculator

Solution

The third proportional to 269,744 and 405,488 is: 609,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,744 : 405,488 = 405,488 : x
  2. Step 2: Convert to fraction form
    269,744/405,488 = 405,488/x
  3. Step 3: Cross multiply
    269,744x = 405,488 × 405,488
  4. Step 4: Simplify right side
    269,744x = 164,420,518,144
  5. Step 5: Solve for x
    x = 164,420,518,144/269,744
  6. Step 6: Final answer
    x = 609,542.82

Related Problems

Find third proportional to 134,872 and 202,744
Half scale
Find third proportional to 539,488 and 810,976
Double scale
Find third proportional to 269,746 and 405,491
Similar ratio
Find third proportional to 404,616 and 608,232
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.