Home / 12,029,748-18,655,458

Finding the Third Proportional to 12,029,748 and 18,655,458

Calculator

Solution

The third proportional to 12,029,748 and 18,655,458 is: 28,930,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,748 : 18,655,458 = 18,655,458 : x
  2. Step 2: Convert to fraction form
    12,029,748/18,655,458 = 18,655,458/x
  3. Step 3: Cross multiply
    12,029,748x = 18,655,458 × 18,655,458
  4. Step 4: Simplify right side
    12,029,748x = 348,026,113,189,764
  5. Step 5: Solve for x
    x = 348,026,113,189,764/12,029,748
  6. Step 6: Final answer
    x = 28,930,457.50

Related Problems

Find third proportional to 6,014,874 and 9,327,729
Half scale
Find third proportional to 24,059,496 and 37,310,916
Double scale
Find third proportional to 12,029,750 and 18,655,461
Similar ratio
Find third proportional to 18,044,622 and 27,983,187
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.