Home / 131,180-287,576

Finding the Third Proportional to 131,180 and 287,576

Calculator

Solution

The third proportional to 131,180 and 287,576 is: 630,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,180 : 287,576 = 287,576 : x
  2. Step 2: Convert to fraction form
    131,180/287,576 = 287,576/x
  3. Step 3: Cross multiply
    131,180x = 287,576 × 287,576
  4. Step 4: Simplify right side
    131,180x = 82,699,955,776
  5. Step 5: Solve for x
    x = 82,699,955,776/131,180
  6. Step 6: Final answer
    x = 630,431.13

Related Problems

Find third proportional to 65,590 and 143,788
Half scale
Find third proportional to 262,360 and 575,152
Double scale
Find third proportional to 131,182 and 287,580
Similar ratio
Find third proportional to 196,770 and 431,364
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.