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Finding the Third Proportional to 8,604,398 and 13,207,432

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Solution

The third proportional to 8,604,398 and 13,207,432 is: 20,272,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604,398 : 13,207,432 = 13,207,432 : x
  2. Step 2: Convert to fraction form
    8,604,398/13,207,432 = 13,207,432/x
  3. Step 3: Cross multiply
    8,604,398x = 13,207,432 × 13,207,432
  4. Step 4: Simplify right side
    8,604,398x = 174,436,260,034,624
  5. Step 5: Solve for x
    x = 174,436,260,034,624/8,604,398
  6. Step 6: Final answer
    x = 20,272,918.57

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.