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Finding the Third Proportional to 15,128,214 and 22,638,861

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Solution

The third proportional to 15,128,214 and 22,638,861 is: 33,878,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,214 : 22,638,861 = 22,638,861 : x
  2. Step 2: Convert to fraction form
    15,128,214/22,638,861 = 22,638,861/x
  3. Step 3: Cross multiply
    15,128,214x = 22,638,861 × 22,638,861
  4. Step 4: Simplify right side
    15,128,214x = 512,518,027,377,321
  5. Step 5: Solve for x
    x = 512,518,027,377,321/15,128,214
  6. Step 6: Final answer
    x = 33,878,290.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.