Home / 143,140.50-286,265.25

Finding the Third Proportional to 143,140.50 and 286,265.25

Calculator

Solution

The third proportional to 143,140.50 and 286,265.25 is: 572,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,140.50 : 286,265.25 = 286,265.25 : x
  2. Step 2: Convert to fraction form
    143,140.50/286,265.25 = 286,265.25/x
  3. Step 3: Cross multiply
    143,140.50x = 286,265.25 × 286,265.25
  4. Step 4: Simplify right side
    143,140.50x = 81,947,793,357.56
  5. Step 5: Solve for x
    x = 81,947,793,357.56/143,140.50
  6. Step 6: Final answer
    x = 572,499.00

Related Problems

Find third proportional to 71,570.25 and 143,132.63
Half scale
Find third proportional to 286,281 and 572,530.50
Double scale
Find third proportional to 143,143 and 286,269
Similar ratio
Find third proportional to 214,710.75 and 429,397.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.