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Finding the Third Proportional to 6,436,995 and 9,021,432

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Solution

The third proportional to 6,436,995 and 9,021,432 is: 12,643,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436,995 : 9,021,432 = 9,021,432 : x
  2. Step 2: Convert to fraction form
    6,436,995/9,021,432 = 9,021,432/x
  3. Step 3: Cross multiply
    6,436,995x = 9,021,432 × 9,021,432
  4. Step 4: Simplify right side
    6,436,995x = 81,386,235,330,624
  5. Step 5: Solve for x
    x = 81,386,235,330,624/6,436,995
  6. Step 6: Final answer
    x = 12,643,513.83

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.