Home / 74,605-145,402

Finding the Third Proportional to 74,605 and 145,402

Calculator

Solution

The third proportional to 74,605 and 145,402 is: 283,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,605 : 145,402 = 145,402 : x
  2. Step 2: Convert to fraction form
    74,605/145,402 = 145,402/x
  3. Step 3: Cross multiply
    74,605x = 145,402 × 145,402
  4. Step 4: Simplify right side
    74,605x = 21,141,741,604
  5. Step 5: Solve for x
    x = 21,141,741,604/74,605
  6. Step 6: Final answer
    x = 283,382.37

Related Problems

Find third proportional to 37,302.50 and 72,701
Half scale
Find third proportional to 149,210 and 290,804
Double scale
Find third proportional to 74,607 and 145,406
Similar ratio
Find third proportional to 111,907.50 and 218,103
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.