Home / 235,740-509,145

Finding the Third Proportional to 235,740 and 509,145

Calculator

Solution

The third proportional to 235,740 and 509,145 is: 1,099,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,740 : 509,145 = 509,145 : x
  2. Step 2: Convert to fraction form
    235,740/509,145 = 509,145/x
  3. Step 3: Cross multiply
    235,740x = 509,145 × 509,145
  4. Step 4: Simplify right side
    235,740x = 259,228,631,025
  5. Step 5: Solve for x
    x = 259,228,631,025/235,740
  6. Step 6: Final answer
    x = 1,099,637.87

Related Problems

Find third proportional to 117,870 and 254,572.50
Half scale
Find third proportional to 471,480 and 1,018,290
Double scale
Find third proportional to 235,742 and 509,149
Similar ratio
Find third proportional to 353,610 and 763,717.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.