Home / 28,308-43,365

Finding the Third Proportional to 28,308 and 43,365

Calculator

Solution

The third proportional to 28,308 and 43,365 is: 66,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308 : 43,365 = 43,365 : x
  2. Step 2: Convert to fraction form
    28,308/43,365 = 43,365/x
  3. Step 3: Cross multiply
    28,308x = 43,365 × 43,365
  4. Step 4: Simplify right side
    28,308x = 1,880,523,225
  5. Step 5: Solve for x
    x = 1,880,523,225/28,308
  6. Step 6: Final answer
    x = 66,430.80

Related Problems

Find third proportional to 14,154 and 21,682.50
Half scale
Find third proportional to 56,616 and 86,730
Double scale
Find third proportional to 28,310 and 43,368
Similar ratio
Find third proportional to 42,462 and 65,047.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.