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Finding the Third Proportional to 3,428,332 and 7,312,289

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Solution

The third proportional to 3,428,332 and 7,312,289 is: 15,596,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,332 : 7,312,289 = 7,312,289 : x
  2. Step 2: Convert to fraction form
    3,428,332/7,312,289 = 7,312,289/x
  3. Step 3: Cross multiply
    3,428,332x = 7,312,289 × 7,312,289
  4. Step 4: Simplify right side
    3,428,332x = 53,469,570,419,521
  5. Step 5: Solve for x
    x = 53,469,570,419,521/3,428,332
  6. Step 6: Final answer
    x = 15,596,380.52

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.