Home / 131,547.38-289,905.75

Finding the Third Proportional to 131,547.38 and 289,905.75

Calculator

Solution

The third proportional to 131,547.38 and 289,905.75 is: 638,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,547.38 : 289,905.75 = 289,905.75 : x
  2. Step 2: Convert to fraction form
    131,547.38/289,905.75 = 289,905.75/x
  3. Step 3: Cross multiply
    131,547.38x = 289,905.75 × 289,905.75
  4. Step 4: Simplify right side
    131,547.38x = 84,045,343,883.06
  5. Step 5: Solve for x
    x = 84,045,343,883.06/131,547.38
  6. Step 6: Final answer
    x = 638,897.92

Related Problems

Find third proportional to 65,773.69 and 144,952.88
Half scale
Find third proportional to 263,094.75 and 579,811.50
Double scale
Find third proportional to 131,549 and 289,910
Similar ratio
Find third proportional to 197,321.06 and 434,858.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.