Home / 28,543-45,457

Finding the Third Proportional to 28,543 and 45,457

Calculator

Solution

The third proportional to 28,543 and 45,457 is: 72,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543 : 45,457 = 45,457 : x
  2. Step 2: Convert to fraction form
    28,543/45,457 = 45,457/x
  3. Step 3: Cross multiply
    28,543x = 45,457 × 45,457
  4. Step 4: Simplify right side
    28,543x = 2,066,338,849
  5. Step 5: Solve for x
    x = 2,066,338,849/28,543
  6. Step 6: Final answer
    x = 72,393.89

Related Problems

Find third proportional to 14,271.50 and 22,728.50
Half scale
Find third proportional to 57,086 and 90,914
Double scale
Find third proportional to 28,545 and 45,460
Similar ratio
Find third proportional to 42,814.50 and 68,185.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.