Home / 8,938,080-18,948,654

Finding the Third Proportional to 8,938,080 and 18,948,654

Calculator

Solution

The third proportional to 8,938,080 and 18,948,654 is: 40,170,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,080 : 18,948,654 = 18,948,654 : x
  2. Step 2: Convert to fraction form
    8,938,080/18,948,654 = 18,948,654/x
  3. Step 3: Cross multiply
    8,938,080x = 18,948,654 × 18,948,654
  4. Step 4: Simplify right side
    8,938,080x = 359,051,488,411,716
  5. Step 5: Solve for x
    x = 359,051,488,411,716/8,938,080
  6. Step 6: Final answer
    x = 40,170,986.21

Related Problems

Find third proportional to 4,469,040 and 9,474,327
Half scale
Find third proportional to 17,876,160 and 37,897,308
Double scale
Find third proportional to 8,938,082 and 18,948,658
Similar ratio
Find third proportional to 13,407,120 and 28,422,981
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.