Home / 306,396-457,758

Finding the Third Proportional to 306,396 and 457,758

Calculator

Solution

The third proportional to 306,396 and 457,758 is: 683,894.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,396 : 457,758 = 457,758 : x
  2. Step 2: Convert to fraction form
    306,396/457,758 = 457,758/x
  3. Step 3: Cross multiply
    306,396x = 457,758 × 457,758
  4. Step 4: Simplify right side
    306,396x = 209,542,386,564
  5. Step 5: Solve for x
    x = 209,542,386,564/306,396
  6. Step 6: Final answer
    x = 683,894.00

Related Problems

Find third proportional to 153,198 and 228,879
Half scale
Find third proportional to 612,792 and 915,516
Double scale
Find third proportional to 306,398 and 457,761
Similar ratio
Find third proportional to 459,594 and 686,637
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.