Home / 131,379-281,424

Finding the Third Proportional to 131,379 and 281,424

Calculator

Solution

The third proportional to 131,379 and 281,424 is: 602,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,379 : 281,424 = 281,424 : x
  2. Step 2: Convert to fraction form
    131,379/281,424 = 281,424/x
  3. Step 3: Cross multiply
    131,379x = 281,424 × 281,424
  4. Step 4: Simplify right side
    131,379x = 79,199,467,776
  5. Step 5: Solve for x
    x = 79,199,467,776/131,379
  6. Step 6: Final answer
    x = 602,832.02

Related Problems

Find third proportional to 65,689.50 and 140,712
Half scale
Find third proportional to 262,758 and 562,848
Double scale
Find third proportional to 131,381 and 281,428
Similar ratio
Find third proportional to 197,068.50 and 422,136
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.