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Finding the Third Proportional to 3,709,143 and 7,908,192

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Solution

The third proportional to 3,709,143 and 7,908,192 is: 16,860,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,143 : 7,908,192 = 7,908,192 : x
  2. Step 2: Convert to fraction form
    3,709,143/7,908,192 = 7,908,192/x
  3. Step 3: Cross multiply
    3,709,143x = 7,908,192 × 7,908,192
  4. Step 4: Simplify right side
    3,709,143x = 62,539,500,708,864
  5. Step 5: Solve for x
    x = 62,539,500,708,864/3,709,143
  6. Step 6: Final answer
    x = 16,860,903.10

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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.