Home / 8,281,158-18,020,316

Finding the Third Proportional to 8,281,158 and 18,020,316

Calculator

Solution

The third proportional to 8,281,158 and 18,020,316 is: 39,213,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,158 : 18,020,316 = 18,020,316 : x
  2. Step 2: Convert to fraction form
    8,281,158/18,020,316 = 18,020,316/x
  3. Step 3: Cross multiply
    8,281,158x = 18,020,316 × 18,020,316
  4. Step 4: Simplify right side
    8,281,158x = 324,731,788,739,856
  5. Step 5: Solve for x
    x = 324,731,788,739,856/8,281,158
  6. Step 6: Final answer
    x = 39,213,330.88

Related Problems

Find third proportional to 4,140,579 and 9,010,158
Half scale
Find third proportional to 16,562,316 and 36,040,632
Double scale
Find third proportional to 8,281,160 and 18,020,320
Similar ratio
Find third proportional to 12,421,737 and 27,030,474
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.