Home / 490,432-749,904

Finding the Third Proportional to 490,432 and 749,904

Calculator

Solution

The third proportional to 490,432 and 749,904 is: 1,146,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,432 : 749,904 = 749,904 : x
  2. Step 2: Convert to fraction form
    490,432/749,904 = 749,904/x
  3. Step 3: Cross multiply
    490,432x = 749,904 × 749,904
  4. Step 4: Simplify right side
    490,432x = 562,356,009,216
  5. Step 5: Solve for x
    x = 562,356,009,216/490,432
  6. Step 6: Final answer
    x = 1,146,654.40

Related Problems

Find third proportional to 245,216 and 374,952
Half scale
Find third proportional to 980,864 and 1,499,808
Double scale
Find third proportional to 490,434 and 749,907
Similar ratio
Find third proportional to 735,648 and 1,124,856
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.