Home / 307,810-671,106

Finding the Third Proportional to 307,810 and 671,106

Calculator

Solution

The third proportional to 307,810 and 671,106 is: 1,463,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,810 : 671,106 = 671,106 : x
  2. Step 2: Convert to fraction form
    307,810/671,106 = 671,106/x
  3. Step 3: Cross multiply
    307,810x = 671,106 × 671,106
  4. Step 4: Simplify right side
    307,810x = 450,383,263,236
  5. Step 5: Solve for x
    x = 450,383,263,236/307,810
  6. Step 6: Final answer
    x = 1,463,185.94

Related Problems

Find third proportional to 153,905 and 335,553
Half scale
Find third proportional to 615,620 and 1,342,212
Double scale
Find third proportional to 307,812 and 671,110
Similar ratio
Find third proportional to 461,715 and 1,006,659
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.