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Finding the Third Proportional to 8,996,408 and 19,590,135

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Solution

The third proportional to 8,996,408 and 19,590,135 is: 42,658,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996,408 : 19,590,135 = 19,590,135 : x
  2. Step 2: Convert to fraction form
    8,996,408/19,590,135 = 19,590,135/x
  3. Step 3: Cross multiply
    8,996,408x = 19,590,135 × 19,590,135
  4. Step 4: Simplify right side
    8,996,408x = 383,773,389,318,225
  5. Step 5: Solve for x
    x = 383,773,389,318,225/8,996,408
  6. Step 6: Final answer
    x = 42,658,513.19

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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.