Home / 235,459-342,247

Finding the Third Proportional to 235,459 and 342,247

Calculator

Solution

The third proportional to 235,459 and 342,247 is: 497,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,459 : 342,247 = 342,247 : x
  2. Step 2: Convert to fraction form
    235,459/342,247 = 342,247/x
  3. Step 3: Cross multiply
    235,459x = 342,247 × 342,247
  4. Step 4: Simplify right side
    235,459x = 117,133,009,009
  5. Step 5: Solve for x
    x = 117,133,009,009/235,459
  6. Step 6: Final answer
    x = 497,466.69

Related Problems

Find third proportional to 117,729.50 and 171,123.50
Half scale
Find third proportional to 470,918 and 684,494
Double scale
Find third proportional to 235,461 and 342,250
Similar ratio
Find third proportional to 353,188.50 and 513,370.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.