Home / 122,688-173,982

Finding the Third Proportional to 122,688 and 173,982

Calculator

Solution

The third proportional to 122,688 and 173,982 is: 246,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,688 : 173,982 = 173,982 : x
  2. Step 2: Convert to fraction form
    122,688/173,982 = 173,982/x
  3. Step 3: Cross multiply
    122,688x = 173,982 × 173,982
  4. Step 4: Simplify right side
    122,688x = 30,269,736,324
  5. Step 5: Solve for x
    x = 30,269,736,324/122,688
  6. Step 6: Final answer
    x = 246,721.25

Related Problems

Find third proportional to 61,344 and 86,991
Half scale
Find third proportional to 245,376 and 347,964
Double scale
Find third proportional to 122,690 and 173,985
Similar ratio
Find third proportional to 184,032 and 260,973
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.