Home / 328,414-705,942

Finding the Third Proportional to 328,414 and 705,942

Calculator

Solution

The third proportional to 328,414 and 705,942 is: 1,517,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,414 : 705,942 = 705,942 : x
  2. Step 2: Convert to fraction form
    328,414/705,942 = 705,942/x
  3. Step 3: Cross multiply
    328,414x = 705,942 × 705,942
  4. Step 4: Simplify right side
    328,414x = 498,354,107,364
  5. Step 5: Solve for x
    x = 498,354,107,364/328,414
  6. Step 6: Final answer
    x = 1,517,456.95

Related Problems

Find third proportional to 164,207 and 352,971
Half scale
Find third proportional to 656,828 and 1,411,884
Double scale
Find third proportional to 328,416 and 705,946
Similar ratio
Find third proportional to 492,621 and 1,058,913
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.