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Finding the Third Proportional to 13,310,430 and 28,638,408

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Solution

The third proportional to 13,310,430 and 28,638,408 is: 61,617,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,430 : 28,638,408 = 28,638,408 : x
  2. Step 2: Convert to fraction form
    13,310,430/28,638,408 = 28,638,408/x
  3. Step 3: Cross multiply
    13,310,430x = 28,638,408 × 28,638,408
  4. Step 4: Simplify right side
    13,310,430x = 820,158,412,774,464
  5. Step 5: Solve for x
    x = 820,158,412,774,464/13,310,430
  6. Step 6: Final answer
    x = 61,617,724.80

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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.