Home / 251,686-553,106

Finding the Third Proportional to 251,686 and 553,106

Calculator

Solution

The third proportional to 251,686 and 553,106 is: 1,215,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,686 : 553,106 = 553,106 : x
  2. Step 2: Convert to fraction form
    251,686/553,106 = 553,106/x
  3. Step 3: Cross multiply
    251,686x = 553,106 × 553,106
  4. Step 4: Simplify right side
    251,686x = 305,926,247,236
  5. Step 5: Solve for x
    x = 305,926,247,236/251,686
  6. Step 6: Final answer
    x = 1,215,507.61

Related Problems

Find third proportional to 125,843 and 276,553
Half scale
Find third proportional to 503,372 and 1,106,212
Double scale
Find third proportional to 251,688 and 553,110
Similar ratio
Find third proportional to 377,529 and 829,659
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.