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Finding the Third Proportional to 3,207,403 and 6,979,461

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Solution

The third proportional to 3,207,403 and 6,979,461 is: 15,187,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,403 : 6,979,461 = 6,979,461 : x
  2. Step 2: Convert to fraction form
    3,207,403/6,979,461 = 6,979,461/x
  3. Step 3: Cross multiply
    3,207,403x = 6,979,461 × 6,979,461
  4. Step 4: Simplify right side
    3,207,403x = 48,712,875,850,521
  5. Step 5: Solve for x
    x = 48,712,875,850,521/3,207,403
  6. Step 6: Final answer
    x = 15,187,638.05

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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.