Home / 155,401.50-219,349.50

Finding the Third Proportional to 155,401.50 and 219,349.50

Calculator

Solution

The third proportional to 155,401.50 and 219,349.50 is: 309,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,401.50 : 219,349.50 = 219,349.50 : x
  2. Step 2: Convert to fraction form
    155,401.50/219,349.50 = 219,349.50/x
  3. Step 3: Cross multiply
    155,401.50x = 219,349.50 × 219,349.50
  4. Step 4: Simplify right side
    155,401.50x = 48,114,203,150.25
  5. Step 5: Solve for x
    x = 48,114,203,150.25/155,401.50
  6. Step 6: Final answer
    x = 309,612.22

Related Problems

Find third proportional to 77,700.75 and 109,674.75
Half scale
Find third proportional to 310,803 and 438,699
Double scale
Find third proportional to 155,404 and 219,352
Similar ratio
Find third proportional to 233,102.25 and 329,024.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.