Home / 18,875-51,346

Finding the Third Proportional to 18,875 and 51,346

Calculator

Solution

The third proportional to 18,875 and 51,346 is: 139,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875 : 51,346 = 51,346 : x
  2. Step 2: Convert to fraction form
    18,875/51,346 = 51,346/x
  3. Step 3: Cross multiply
    18,875x = 51,346 × 51,346
  4. Step 4: Simplify right side
    18,875x = 2,636,411,716
  5. Step 5: Solve for x
    x = 2,636,411,716/18,875
  6. Step 6: Final answer
    x = 139,677.44

Related Problems

Find third proportional to 9,437.50 and 25,673
Half scale
Find third proportional to 37,750 and 102,692
Double scale
Find third proportional to 18,877 and 51,351
Similar ratio
Find third proportional to 28,312.50 and 77,019
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.