Home / 99,570-157,740

Finding the Third Proportional to 99,570 and 157,740

Calculator

Solution

The third proportional to 99,570 and 157,740 is: 249,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,570 : 157,740 = 157,740 : x
  2. Step 2: Convert to fraction form
    99,570/157,740 = 157,740/x
  3. Step 3: Cross multiply
    99,570x = 157,740 × 157,740
  4. Step 4: Simplify right side
    99,570x = 24,881,907,600
  5. Step 5: Solve for x
    x = 24,881,907,600/99,570
  6. Step 6: Final answer
    x = 249,893.62

Related Problems

Find third proportional to 49,785 and 78,870
Half scale
Find third proportional to 199,140 and 315,480
Double scale
Find third proportional to 99,572 and 157,743
Similar ratio
Find third proportional to 149,355 and 236,610
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.