Home / 145,559-318,186

Finding the Third Proportional to 145,559 and 318,186

Calculator

Solution

The third proportional to 145,559 and 318,186 is: 695,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,559 : 318,186 = 318,186 : x
  2. Step 2: Convert to fraction form
    145,559/318,186 = 318,186/x
  3. Step 3: Cross multiply
    145,559x = 318,186 × 318,186
  4. Step 4: Simplify right side
    145,559x = 101,242,330,596
  5. Step 5: Solve for x
    x = 101,242,330,596/145,559
  6. Step 6: Final answer
    x = 695,541.54

Related Problems

Find third proportional to 72,779.50 and 159,093
Half scale
Find third proportional to 291,118 and 636,372
Double scale
Find third proportional to 145,561 and 318,190
Similar ratio
Find third proportional to 218,338.50 and 477,279
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.