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Finding the Third Proportional to 13,310,432 and 28,638,411

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Solution

The third proportional to 13,310,432 and 28,638,411 is: 61,617,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,432 : 28,638,411 = 28,638,411 : x
  2. Step 2: Convert to fraction form
    13,310,432/28,638,411 = 28,638,411/x
  3. Step 3: Cross multiply
    13,310,432x = 28,638,411 × 28,638,411
  4. Step 4: Simplify right side
    13,310,432x = 820,158,584,604,921
  5. Step 5: Solve for x
    x = 820,158,584,604,921/13,310,432
  6. Step 6: Final answer
    x = 61,617,728.46

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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.