Home / 8,684,272-18,563,672

Finding the Third Proportional to 8,684,272 and 18,563,672

Calculator

Solution

The third proportional to 8,684,272 and 18,563,672 is: 39,682,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684,272 : 18,563,672 = 18,563,672 : x
  2. Step 2: Convert to fraction form
    8,684,272/18,563,672 = 18,563,672/x
  3. Step 3: Cross multiply
    8,684,272x = 18,563,672 × 18,563,672
  4. Step 4: Simplify right side
    8,684,272x = 344,609,918,123,584
  5. Step 5: Solve for x
    x = 344,609,918,123,584/8,684,272
  6. Step 6: Final answer
    x = 39,682,073.31

Related Problems

Find third proportional to 4,342,136 and 9,281,836
Half scale
Find third proportional to 17,368,544 and 37,127,344
Double scale
Find third proportional to 8,684,274 and 18,563,676
Similar ratio
Find third proportional to 13,026,408 and 27,845,508
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.