Home / 1,438,875.14-3,121,942.50

Finding the Third Proportional to 1,438,875.14 and 3,121,942.50

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Solution

The third proportional to 1,438,875.14 and 3,121,942.50 is: 6,773,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,875.14 : 3,121,942.50 = 3,121,942.50 : x
  2. Step 2: Convert to fraction form
    1,438,875.14/3,121,942.50 = 3,121,942.50/x
  3. Step 3: Cross multiply
    1,438,875.14x = 3,121,942.50 × 3,121,942.50
  4. Step 4: Simplify right side
    1,438,875.14x = 9,746,524,973,306.25
  5. Step 5: Solve for x
    x = 9,746,524,973,306.25/1,438,875.14
  6. Step 6: Final answer
    x = 6,773,711.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.