Home / 122,428-259,548

Finding the Third Proportional to 122,428 and 259,548

Calculator

Solution

The third proportional to 122,428 and 259,548 is: 550,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,428 : 259,548 = 259,548 : x
  2. Step 2: Convert to fraction form
    122,428/259,548 = 259,548/x
  3. Step 3: Cross multiply
    122,428x = 259,548 × 259,548
  4. Step 4: Simplify right side
    122,428x = 67,365,164,304
  5. Step 5: Solve for x
    x = 67,365,164,304/122,428
  6. Step 6: Final answer
    x = 550,243.12

Related Problems

Find third proportional to 61,214 and 129,774
Half scale
Find third proportional to 244,856 and 519,096
Double scale
Find third proportional to 122,430 and 259,552
Similar ratio
Find third proportional to 183,642 and 389,322
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.