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Finding the Third Proportional to 8,998,420 and 19,362,416

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Solution

The third proportional to 8,998,420 and 19,362,416 is: 41,663,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998,420 : 19,362,416 = 19,362,416 : x
  2. Step 2: Convert to fraction form
    8,998,420/19,362,416 = 19,362,416/x
  3. Step 3: Cross multiply
    8,998,420x = 19,362,416 × 19,362,416
  4. Step 4: Simplify right side
    8,998,420x = 374,903,153,357,056
  5. Step 5: Solve for x
    x = 374,903,153,357,056/8,998,420
  6. Step 6: Final answer
    x = 41,663,220.14

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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.