Home / 147,788-316,580

Finding the Third Proportional to 147,788 and 316,580

Calculator

Solution

The third proportional to 147,788 and 316,580 is: 678,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,788 : 316,580 = 316,580 : x
  2. Step 2: Convert to fraction form
    147,788/316,580 = 316,580/x
  3. Step 3: Cross multiply
    147,788x = 316,580 × 316,580
  4. Step 4: Simplify right side
    147,788x = 100,222,896,400
  5. Step 5: Solve for x
    x = 100,222,896,400/147,788
  6. Step 6: Final answer
    x = 678,153.14

Related Problems

Find third proportional to 73,894 and 158,290
Half scale
Find third proportional to 295,576 and 633,160
Double scale
Find third proportional to 147,790 and 316,584
Similar ratio
Find third proportional to 221,682 and 474,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.