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Finding the Third Proportional to 15,518,974.78 and 36,582,541.31

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Solution

The third proportional to 15,518,974.78 and 36,582,541.31 is: 86,235,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518,974.78 : 36,582,541.31 = 36,582,541.31 : x
  2. Step 2: Convert to fraction form
    15,518,974.78/36,582,541.31 = 36,582,541.31/x
  3. Step 3: Cross multiply
    15,518,974.78x = 36,582,541.31 × 36,582,541.31
  4. Step 4: Simplify right side
    15,518,974.78x = 1,338,282,328,880,769.25
  5. Step 5: Solve for x
    x = 1,338,282,328,880,769.25/15,518,974.78
  6. Step 6: Final answer
    x = 86,235,228.02

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.