Home / 6,438,654-13,644,864

Finding the Third Proportional to 6,438,654 and 13,644,864

Calculator

Solution

The third proportional to 6,438,654 and 13,644,864 is: 28,916,340.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,654 : 13,644,864 = 13,644,864 : x
  2. Step 2: Convert to fraction form
    6,438,654/13,644,864 = 13,644,864/x
  3. Step 3: Cross multiply
    6,438,654x = 13,644,864 × 13,644,864
  4. Step 4: Simplify right side
    6,438,654x = 186,182,313,578,496
  5. Step 5: Solve for x
    x = 186,182,313,578,496/6,438,654
  6. Step 6: Final answer
    x = 28,916,340.83

Related Problems

Find third proportional to 3,219,327 and 6,822,432
Half scale
Find third proportional to 12,877,308 and 27,289,728
Double scale
Find third proportional to 6,438,656 and 13,644,868
Similar ratio
Find third proportional to 9,657,981 and 20,467,296
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.