Home / 235,464-509,780

Finding the Third Proportional to 235,464 and 509,780

Calculator

Solution

The third proportional to 235,464 and 509,780 is: 1,103,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,464 : 509,780 = 509,780 : x
  2. Step 2: Convert to fraction form
    235,464/509,780 = 509,780/x
  3. Step 3: Cross multiply
    235,464x = 509,780 × 509,780
  4. Step 4: Simplify right side
    235,464x = 259,875,648,400
  5. Step 5: Solve for x
    x = 259,875,648,400/235,464
  6. Step 6: Final answer
    x = 1,103,674.65

Related Problems

Find third proportional to 117,732 and 254,890
Half scale
Find third proportional to 470,928 and 1,019,560
Double scale
Find third proportional to 235,466 and 509,784
Similar ratio
Find third proportional to 353,196 and 764,670
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.