Home / 18,908-29,897

Finding the Third Proportional to 18,908 and 29,897

Calculator

Solution

The third proportional to 18,908 and 29,897 is: 47,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908 : 29,897 = 29,897 : x
  2. Step 2: Convert to fraction form
    18,908/29,897 = 29,897/x
  3. Step 3: Cross multiply
    18,908x = 29,897 × 29,897
  4. Step 4: Simplify right side
    18,908x = 893,830,609
  5. Step 5: Solve for x
    x = 893,830,609/18,908
  6. Step 6: Final answer
    x = 47,272.62

Related Problems

Find third proportional to 9,454 and 14,948.50
Half scale
Find third proportional to 37,816 and 59,794
Double scale
Find third proportional to 18,910 and 29,900
Similar ratio
Find third proportional to 28,362 and 44,845.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.