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Finding the Third Proportional to 15,130,812 and 31,338,255

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Solution

The third proportional to 15,130,812 and 31,338,255 is: 64,906,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130,812 : 31,338,255 = 31,338,255 : x
  2. Step 2: Convert to fraction form
    15,130,812/31,338,255 = 31,338,255/x
  3. Step 3: Cross multiply
    15,130,812x = 31,338,255 × 31,338,255
  4. Step 4: Simplify right side
    15,130,812x = 982,086,226,445,025
  5. Step 5: Solve for x
    x = 982,086,226,445,025/15,130,812
  6. Step 6: Final answer
    x = 64,906,379.54

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.