Home / 305,712-671,616

Finding the Third Proportional to 305,712 and 671,616

Calculator

Solution

The third proportional to 305,712 and 671,616 is: 1,475,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,712 : 671,616 = 671,616 : x
  2. Step 2: Convert to fraction form
    305,712/671,616 = 671,616/x
  3. Step 3: Cross multiply
    305,712x = 671,616 × 671,616
  4. Step 4: Simplify right side
    305,712x = 451,068,051,456
  5. Step 5: Solve for x
    x = 451,068,051,456/305,712
  6. Step 6: Final answer
    x = 1,475,467.27

Related Problems

Find third proportional to 152,856 and 335,808
Half scale
Find third proportional to 611,424 and 1,343,232
Double scale
Find third proportional to 305,714 and 671,620
Similar ratio
Find third proportional to 458,568 and 1,007,424
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.