Home / 18,730-42,656

Finding the Third Proportional to 18,730 and 42,656

Calculator

Solution

The third proportional to 18,730 and 42,656 is: 97,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730 : 42,656 = 42,656 : x
  2. Step 2: Convert to fraction form
    18,730/42,656 = 42,656/x
  3. Step 3: Cross multiply
    18,730x = 42,656 × 42,656
  4. Step 4: Simplify right side
    18,730x = 1,819,534,336
  5. Step 5: Solve for x
    x = 1,819,534,336/18,730
  6. Step 6: Final answer
    x = 97,145.45

Related Problems

Find third proportional to 9,365 and 21,328
Half scale
Find third proportional to 37,460 and 85,312
Double scale
Find third proportional to 18,732 and 42,661
Similar ratio
Find third proportional to 28,095 and 63,984
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.