Home / 109,347-168,678

Finding the Third Proportional to 109,347 and 168,678

Calculator

Solution

The third proportional to 109,347 and 168,678 is: 260,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,347 : 168,678 = 168,678 : x
  2. Step 2: Convert to fraction form
    109,347/168,678 = 168,678/x
  3. Step 3: Cross multiply
    109,347x = 168,678 × 168,678
  4. Step 4: Simplify right side
    109,347x = 28,452,267,684
  5. Step 5: Solve for x
    x = 28,452,267,684/109,347
  6. Step 6: Final answer
    x = 260,201.63

Related Problems

Find third proportional to 54,673.50 and 84,339
Half scale
Find third proportional to 218,694 and 337,356
Double scale
Find third proportional to 109,349 and 168,681
Similar ratio
Find third proportional to 164,020.50 and 253,017
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.