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Finding the Third Proportional to 15,911,781 and 34,359,024

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Solution

The third proportional to 15,911,781 and 34,359,024 is: 74,192,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911,781 : 34,359,024 = 34,359,024 : x
  2. Step 2: Convert to fraction form
    15,911,781/34,359,024 = 34,359,024/x
  3. Step 3: Cross multiply
    15,911,781x = 34,359,024 × 34,359,024
  4. Step 4: Simplify right side
    15,911,781x = 1,180,542,530,232,576
  5. Step 5: Solve for x
    x = 1,180,542,530,232,576/15,911,781
  6. Step 6: Final answer
    x = 74,192,985.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.