Home / 58,886-128,776

Finding the Third Proportional to 58,886 and 128,776

Calculator

Solution

The third proportional to 58,886 and 128,776 is: 281,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,886 : 128,776 = 128,776 : x
  2. Step 2: Convert to fraction form
    58,886/128,776 = 128,776/x
  3. Step 3: Cross multiply
    58,886x = 128,776 × 128,776
  4. Step 4: Simplify right side
    58,886x = 16,583,258,176
  5. Step 5: Solve for x
    x = 16,583,258,176/58,886
  6. Step 6: Final answer
    x = 281,616.31

Related Problems

Find third proportional to 29,443 and 64,388
Half scale
Find third proportional to 117,772 and 257,552
Double scale
Find third proportional to 58,888 and 128,780
Similar ratio
Find third proportional to 88,329 and 193,164
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.