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Finding the Third Proportional to 15,658,672 and 34,396,640

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Solution

The third proportional to 15,658,672 and 34,396,640 is: 75,557,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658,672 : 34,396,640 = 34,396,640 : x
  2. Step 2: Convert to fraction form
    15,658,672/34,396,640 = 34,396,640/x
  3. Step 3: Cross multiply
    15,658,672x = 34,396,640 × 34,396,640
  4. Step 4: Simplify right side
    15,658,672x = 1,183,128,843,289,600
  5. Step 5: Solve for x
    x = 1,183,128,843,289,600/15,658,672
  6. Step 6: Final answer
    x = 75,557,419.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.