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Finding the Third Proportional to 5,211,011.50 and 11,319,079.50

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Solution

The third proportional to 5,211,011.50 and 11,319,079.50 is: 24,586,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,011.50 : 11,319,079.50 = 11,319,079.50 : x
  2. Step 2: Convert to fraction form
    5,211,011.50/11,319,079.50 = 11,319,079.50/x
  3. Step 3: Cross multiply
    5,211,011.50x = 11,319,079.50 × 11,319,079.50
  4. Step 4: Simplify right side
    5,211,011.50x = 128,121,560,727,320.25
  5. Step 5: Solve for x
    x = 128,121,560,727,320.25/5,211,011.50
  6. Step 6: Final answer
    x = 24,586,696.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.