Home / 30,864-66,528

Finding the Third Proportional to 30,864 and 66,528

Calculator

Solution

The third proportional to 30,864 and 66,528 is: 143,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864 : 66,528 = 66,528 : x
  2. Step 2: Convert to fraction form
    30,864/66,528 = 66,528/x
  3. Step 3: Cross multiply
    30,864x = 66,528 × 66,528
  4. Step 4: Simplify right side
    30,864x = 4,425,974,784
  5. Step 5: Solve for x
    x = 4,425,974,784/30,864
  6. Step 6: Final answer
    x = 143,402.50

Related Problems

Find third proportional to 15,432 and 33,264
Half scale
Find third proportional to 61,728 and 133,056
Double scale
Find third proportional to 30,866 and 66,532
Similar ratio
Find third proportional to 46,296 and 99,792
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.