Home / 66,392-99,660

Finding the Third Proportional to 66,392 and 99,660

Calculator

Solution

The third proportional to 66,392 and 99,660 is: 149,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,392 : 99,660 = 99,660 : x
  2. Step 2: Convert to fraction form
    66,392/99,660 = 99,660/x
  3. Step 3: Cross multiply
    66,392x = 99,660 × 99,660
  4. Step 4: Simplify right side
    66,392x = 9,932,115,600
  5. Step 5: Solve for x
    x = 9,932,115,600/66,392
  6. Step 6: Final answer
    x = 149,598.08

Related Problems

Find third proportional to 33,196 and 49,830
Half scale
Find third proportional to 132,784 and 199,320
Double scale
Find third proportional to 66,394 and 99,663
Similar ratio
Find third proportional to 99,588 and 149,490
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.