Home / 186,849-290,109

Finding the Third Proportional to 186,849 and 290,109

Calculator

Solution

The third proportional to 186,849 and 290,109 is: 450,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,849 : 290,109 = 290,109 : x
  2. Step 2: Convert to fraction form
    186,849/290,109 = 290,109/x
  3. Step 3: Cross multiply
    186,849x = 290,109 × 290,109
  4. Step 4: Simplify right side
    186,849x = 84,163,231,881
  5. Step 5: Solve for x
    x = 84,163,231,881/186,849
  6. Step 6: Final answer
    x = 450,434.48

Related Problems

Find third proportional to 93,424.50 and 145,054.50
Half scale
Find third proportional to 373,698 and 580,218
Double scale
Find third proportional to 186,851 and 290,112
Similar ratio
Find third proportional to 280,273.50 and 435,163.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.