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Finding the Third Proportional to 3,656,645 and 7,875,213

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Solution

The third proportional to 3,656,645 and 7,875,213 is: 16,960,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656,645 : 7,875,213 = 7,875,213 : x
  2. Step 2: Convert to fraction form
    3,656,645/7,875,213 = 7,875,213/x
  3. Step 3: Cross multiply
    3,656,645x = 7,875,213 × 7,875,213
  4. Step 4: Simplify right side
    3,656,645x = 62,018,979,795,369
  5. Step 5: Solve for x
    x = 62,018,979,795,369/3,656,645
  6. Step 6: Final answer
    x = 16,960,623.69

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.