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Finding the Third Proportional to 2,487,681 and 5,226,016.50

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Solution

The third proportional to 2,487,681 and 5,226,016.50 is: 10,978,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,681 : 5,226,016.50 = 5,226,016.50 : x
  2. Step 2: Convert to fraction form
    2,487,681/5,226,016.50 = 5,226,016.50/x
  3. Step 3: Cross multiply
    2,487,681x = 5,226,016.50 × 5,226,016.50
  4. Step 4: Simplify right side
    2,487,681x = 27,311,248,458,272.25
  5. Step 5: Solve for x
    x = 27,311,248,458,272.25/2,487,681
  6. Step 6: Final answer
    x = 10,978,597.52

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.