Home / 328,664-672,904

Finding the Third Proportional to 328,664 and 672,904

Calculator

Solution

The third proportional to 328,664 and 672,904 is: 1,377,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,664 : 672,904 = 672,904 : x
  2. Step 2: Convert to fraction form
    328,664/672,904 = 672,904/x
  3. Step 3: Cross multiply
    328,664x = 672,904 × 672,904
  4. Step 4: Simplify right side
    328,664x = 452,799,793,216
  5. Step 5: Solve for x
    x = 452,799,793,216/328,664
  6. Step 6: Final answer
    x = 1,377,698.18

Related Problems

Find third proportional to 164,332 and 336,452
Half scale
Find third proportional to 657,328 and 1,345,808
Double scale
Find third proportional to 328,666 and 672,908
Similar ratio
Find third proportional to 492,996 and 1,009,356
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.