Home / 217,536-319,116

Finding the Third Proportional to 217,536 and 319,116

Calculator

Solution

The third proportional to 217,536 and 319,116 is: 468,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,536 : 319,116 = 319,116 : x
  2. Step 2: Convert to fraction form
    217,536/319,116 = 319,116/x
  3. Step 3: Cross multiply
    217,536x = 319,116 × 319,116
  4. Step 4: Simplify right side
    217,536x = 101,835,021,456
  5. Step 5: Solve for x
    x = 101,835,021,456/217,536
  6. Step 6: Final answer
    x = 468,129.51

Related Problems

Find third proportional to 108,768 and 159,558
Half scale
Find third proportional to 435,072 and 638,232
Double scale
Find third proportional to 217,538 and 319,119
Similar ratio
Find third proportional to 326,304 and 478,674
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.