Home / 306,051-648,471

Finding the Third Proportional to 306,051 and 648,471

Calculator

Solution

The third proportional to 306,051 and 648,471 is: 1,374,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,051 : 648,471 = 648,471 : x
  2. Step 2: Convert to fraction form
    306,051/648,471 = 648,471/x
  3. Step 3: Cross multiply
    306,051x = 648,471 × 648,471
  4. Step 4: Simplify right side
    306,051x = 420,514,637,841
  5. Step 5: Solve for x
    x = 420,514,637,841/306,051
  6. Step 6: Final answer
    x = 1,374,001.84

Related Problems

Find third proportional to 153,025.50 and 324,235.50
Half scale
Find third proportional to 612,102 and 1,296,942
Double scale
Find third proportional to 306,053 and 648,475
Similar ratio
Find third proportional to 459,076.50 and 972,706.50
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.