Home / 555,137-1,210,670

Finding the Third Proportional to 555,137 and 1,210,670

Calculator

Solution

The third proportional to 555,137 and 1,210,670 is: 2,640,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,137 : 1,210,670 = 1,210,670 : x
  2. Step 2: Convert to fraction form
    555,137/1,210,670 = 1,210,670/x
  3. Step 3: Cross multiply
    555,137x = 1,210,670 × 1,210,670
  4. Step 4: Simplify right side
    555,137x = 1,465,721,848,900
  5. Step 5: Solve for x
    x = 1,465,721,848,900/555,137
  6. Step 6: Final answer
    x = 2,640,288.52

Related Problems

Find third proportional to 277,568.50 and 605,335
Half scale
Find third proportional to 1,110,274 and 2,421,340
Double scale
Find third proportional to 555,139 and 1,210,674
Similar ratio
Find third proportional to 832,705.50 and 1,816,005
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.