Home / 148,428-328,866

Finding the Third Proportional to 148,428 and 328,866

Calculator

Solution

The third proportional to 148,428 and 328,866 is: 728,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,428 : 328,866 = 328,866 : x
  2. Step 2: Convert to fraction form
    148,428/328,866 = 328,866/x
  3. Step 3: Cross multiply
    148,428x = 328,866 × 328,866
  4. Step 4: Simplify right side
    148,428x = 108,152,845,956
  5. Step 5: Solve for x
    x = 108,152,845,956/148,428
  6. Step 6: Final answer
    x = 728,655.28

Related Problems

Find third proportional to 74,214 and 164,433
Half scale
Find third proportional to 296,856 and 657,732
Double scale
Find third proportional to 148,430 and 328,870
Similar ratio
Find third proportional to 222,642 and 493,299
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.