Home / 7,461-9,721.50

Finding the Third Proportional to 7,461 and 9,721.50

Calculator

Solution

The third proportional to 7,461 and 9,721.50 is: 12,666.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461 : 9,721.50 = 9,721.50 : x
  2. Step 2: Convert to fraction form
    7,461/9,721.50 = 9,721.50/x
  3. Step 3: Cross multiply
    7,461x = 9,721.50 × 9,721.50
  4. Step 4: Simplify right side
    7,461x = 94,507,562.25
  5. Step 5: Solve for x
    x = 94,507,562.25/7,461
  6. Step 6: Final answer
    x = 12,666.88

Related Problems

Find third proportional to 3,730.50 and 4,860.75
Half scale
Find third proportional to 14,922 and 19,443
Double scale
Find third proportional to 7,463 and 9,724
Similar ratio
Find third proportional to 11,191.50 and 14,582.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.