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Finding the Third Proportional to 15,216,967.50 and 30,965,374.13

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Solution

The third proportional to 15,216,967.50 and 30,965,374.13 is: 63,012,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216,967.50 : 30,965,374.13 = 30,965,374.13 : x
  2. Step 2: Convert to fraction form
    15,216,967.50/30,965,374.13 = 30,965,374.13/x
  3. Step 3: Cross multiply
    15,216,967.50x = 30,965,374.13 × 30,965,374.13
  4. Step 4: Simplify right side
    15,216,967.50x = 958,854,394,701,219.50
  5. Step 5: Solve for x
    x = 958,854,394,701,219.50/15,216,967.50
  6. Step 6: Final answer
    x = 63,012,186.54

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.