Home / 143,553-314,580.75

Finding the Third Proportional to 143,553 and 314,580.75

Calculator

Solution

The third proportional to 143,553 and 314,580.75 is: 689,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,553 : 314,580.75 = 314,580.75 : x
  2. Step 2: Convert to fraction form
    143,553/314,580.75 = 314,580.75/x
  3. Step 3: Cross multiply
    143,553x = 314,580.75 × 314,580.75
  4. Step 4: Simplify right side
    143,553x = 98,961,048,270.56
  5. Step 5: Solve for x
    x = 98,961,048,270.56/143,553
  6. Step 6: Final answer
    x = 689,369.42

Related Problems

Find third proportional to 71,776.50 and 157,290.38
Half scale
Find third proportional to 287,106 and 629,161.50
Double scale
Find third proportional to 143,555 and 314,585
Similar ratio
Find third proportional to 215,329.50 and 471,871.13
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.