Home / 8,408,776-18,445,328

Finding the Third Proportional to 8,408,776 and 18,445,328

Calculator

Solution

The third proportional to 8,408,776 and 18,445,328 is: 40,461,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,776 : 18,445,328 = 18,445,328 : x
  2. Step 2: Convert to fraction form
    8,408,776/18,445,328 = 18,445,328/x
  3. Step 3: Cross multiply
    8,408,776x = 18,445,328 × 18,445,328
  4. Step 4: Simplify right side
    8,408,776x = 340,230,125,027,584
  5. Step 5: Solve for x
    x = 340,230,125,027,584/8,408,776
  6. Step 6: Final answer
    x = 40,461,313.87

Related Problems

Find third proportional to 4,204,388 and 9,222,664
Half scale
Find third proportional to 16,817,552 and 36,890,656
Double scale
Find third proportional to 8,408,778 and 18,445,332
Similar ratio
Find third proportional to 12,613,164 and 27,667,992
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.