Home / 66,090,138-143,159,988

Finding the Third Proportional to 66,090,138 and 143,159,988

Calculator

Solution

The third proportional to 66,090,138 and 143,159,988 is: 310,103,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090,138 : 143,159,988 = 143,159,988 : x
  2. Step 2: Convert to fraction form
    66,090,138/143,159,988 = 143,159,988/x
  3. Step 3: Cross multiply
    66,090,138x = 143,159,988 × 143,159,988
  4. Step 4: Simplify right side
    66,090,138x = 20,494,782,164,160,144
  5. Step 5: Solve for x
    x = 20,494,782,164,160,144/66,090,138
  6. Step 6: Final answer
    x = 310,103,485.70

Related Problems

Find third proportional to 33,045,069 and 71,579,994
Half scale
Find third proportional to 132,180,276 and 286,319,976
Double scale
Find third proportional to 66,090,140 and 143,159,992
Similar ratio
Find third proportional to 99,135,207 and 214,739,982
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.