Home / 638,147,477.25-1,388,104,236

Finding the Third Proportional to 638,147,477.25 and 1,388,104,236

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Solution

The third proportional to 638,147,477.25 and 1,388,104,236 is: 3,019,417,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,147,477.25 : 1,388,104,236 = 1,388,104,236 : x
  2. Step 2: Convert to fraction form
    638,147,477.25/1,388,104,236 = 1,388,104,236/x
  3. Step 3: Cross multiply
    638,147,477.25x = 1,388,104,236 × 1,388,104,236
  4. Step 4: Simplify right side
    638,147,477.25x = 1,926,833,370,001,143,808
  5. Step 5: Solve for x
    x = 1,926,833,370,001,143,808/638,147,477.25
  6. Step 6: Final answer
    x = 3,019,417,044.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.