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Finding the Third Proportional to 3,207,655 and 4,239,943

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Solution

The third proportional to 3,207,655 and 4,239,943 is: 5,604,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,655 : 4,239,943 = 4,239,943 : x
  2. Step 2: Convert to fraction form
    3,207,655/4,239,943 = 4,239,943/x
  3. Step 3: Cross multiply
    3,207,655x = 4,239,943 × 4,239,943
  4. Step 4: Simplify right side
    3,207,655x = 17,977,116,643,249
  5. Step 5: Solve for x
    x = 17,977,116,643,249/3,207,655
  6. Step 6: Final answer
    x = 5,604,442.07

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.