Home / 304,707-646,278

Finding the Third Proportional to 304,707 and 646,278

Calculator

Solution

The third proportional to 304,707 and 646,278 is: 1,370,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,707 : 646,278 = 646,278 : x
  2. Step 2: Convert to fraction form
    304,707/646,278 = 646,278/x
  3. Step 3: Cross multiply
    304,707x = 646,278 × 646,278
  4. Step 4: Simplify right side
    304,707x = 417,675,253,284
  5. Step 5: Solve for x
    x = 417,675,253,284/304,707
  6. Step 6: Final answer
    x = 1,370,743.87

Related Problems

Find third proportional to 152,353.50 and 323,139
Half scale
Find third proportional to 609,414 and 1,292,556
Double scale
Find third proportional to 304,709 and 646,282
Similar ratio
Find third proportional to 457,060.50 and 969,417
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.