Home / 61,440-91,737

Finding the Third Proportional to 61,440 and 91,737

Calculator

Solution

The third proportional to 61,440 and 91,737 is: 136,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,440 : 91,737 = 91,737 : x
  2. Step 2: Convert to fraction form
    61,440/91,737 = 91,737/x
  3. Step 3: Cross multiply
    61,440x = 91,737 × 91,737
  4. Step 4: Simplify right side
    61,440x = 8,415,677,169
  5. Step 5: Solve for x
    x = 8,415,677,169/61,440
  6. Step 6: Final answer
    x = 136,973.91

Related Problems

Find third proportional to 30,720 and 45,868.50
Half scale
Find third proportional to 122,880 and 183,474
Double scale
Find third proportional to 61,442 and 91,740
Similar ratio
Find third proportional to 92,160 and 137,605.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.