Home / 323,616-709,440

Finding the Third Proportional to 323,616 and 709,440

Calculator

Solution

The third proportional to 323,616 and 709,440 is: 1,555,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,616 : 709,440 = 709,440 : x
  2. Step 2: Convert to fraction form
    323,616/709,440 = 709,440/x
  3. Step 3: Cross multiply
    323,616x = 709,440 × 709,440
  4. Step 4: Simplify right side
    323,616x = 503,305,113,600
  5. Step 5: Solve for x
    x = 503,305,113,600/323,616
  6. Step 6: Final answer
    x = 1,555,254.11

Related Problems

Find third proportional to 161,808 and 354,720
Half scale
Find third proportional to 647,232 and 1,418,880
Double scale
Find third proportional to 323,618 and 709,444
Similar ratio
Find third proportional to 485,424 and 1,064,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.