Home / 174,684-356,688

Finding the Third Proportional to 174,684 and 356,688

Calculator

Solution

The third proportional to 174,684 and 356,688 is: 728,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,684 : 356,688 = 356,688 : x
  2. Step 2: Convert to fraction form
    174,684/356,688 = 356,688/x
  3. Step 3: Cross multiply
    174,684x = 356,688 × 356,688
  4. Step 4: Simplify right side
    174,684x = 127,226,329,344
  5. Step 5: Solve for x
    x = 127,226,329,344/174,684
  6. Step 6: Final answer
    x = 728,322.74

Related Problems

Find third proportional to 87,342 and 178,344
Half scale
Find third proportional to 349,368 and 713,376
Double scale
Find third proportional to 174,686 and 356,692
Similar ratio
Find third proportional to 262,026 and 535,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.