Home / 66,490-99,748

Finding the Third Proportional to 66,490 and 99,748

Calculator

Solution

The third proportional to 66,490 and 99,748 is: 149,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,490 : 99,748 = 99,748 : x
  2. Step 2: Convert to fraction form
    66,490/99,748 = 99,748/x
  3. Step 3: Cross multiply
    66,490x = 99,748 × 99,748
  4. Step 4: Simplify right side
    66,490x = 9,949,663,504
  5. Step 5: Solve for x
    x = 9,949,663,504/66,490
  6. Step 6: Final answer
    x = 149,641.50

Related Problems

Find third proportional to 33,245 and 49,874
Half scale
Find third proportional to 132,980 and 199,496
Double scale
Find third proportional to 66,492 and 99,751
Similar ratio
Find third proportional to 99,735 and 149,622
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.