Home / 145,970-219,603

Finding the Third Proportional to 145,970 and 219,603

Calculator

Solution

The third proportional to 145,970 and 219,603 is: 330,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,970 : 219,603 = 219,603 : x
  2. Step 2: Convert to fraction form
    145,970/219,603 = 219,603/x
  3. Step 3: Cross multiply
    145,970x = 219,603 × 219,603
  4. Step 4: Simplify right side
    145,970x = 48,225,477,609
  5. Step 5: Solve for x
    x = 48,225,477,609/145,970
  6. Step 6: Final answer
    x = 330,379.38

Related Problems

Find third proportional to 72,985 and 109,801.50
Half scale
Find third proportional to 291,940 and 439,206
Double scale
Find third proportional to 145,972 and 219,606
Similar ratio
Find third proportional to 218,955 and 329,404.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.