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Finding the Third Proportional to 15,911,542 and 34,145,680

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Solution

The third proportional to 15,911,542 and 34,145,680 is: 73,275,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911,542 : 34,145,680 = 34,145,680 : x
  2. Step 2: Convert to fraction form
    15,911,542/34,145,680 = 34,145,680/x
  3. Step 3: Cross multiply
    15,911,542x = 34,145,680 × 34,145,680
  4. Step 4: Simplify right side
    15,911,542x = 1,165,927,462,662,400
  5. Step 5: Solve for x
    x = 1,165,927,462,662,400/15,911,542
  6. Step 6: Final answer
    x = 73,275,579.62

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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.