Home / 147,392-320,864

Finding the Third Proportional to 147,392 and 320,864

Calculator

Solution

The third proportional to 147,392 and 320,864 is: 698,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,392 : 320,864 = 320,864 : x
  2. Step 2: Convert to fraction form
    147,392/320,864 = 320,864/x
  3. Step 3: Cross multiply
    147,392x = 320,864 × 320,864
  4. Step 4: Simplify right side
    147,392x = 102,953,706,496
  5. Step 5: Solve for x
    x = 102,953,706,496/147,392
  6. Step 6: Final answer
    x = 698,502.68

Related Problems

Find third proportional to 73,696 and 160,432
Half scale
Find third proportional to 294,784 and 641,728
Double scale
Find third proportional to 147,394 and 320,868
Similar ratio
Find third proportional to 221,088 and 481,296
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.