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Finding the Third Proportional to 7,129,663.50 and 15,395,868

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Solution

The third proportional to 7,129,663.50 and 15,395,868 is: 33,245,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,663.50 : 15,395,868 = 15,395,868 : x
  2. Step 2: Convert to fraction form
    7,129,663.50/15,395,868 = 15,395,868/x
  3. Step 3: Cross multiply
    7,129,663.50x = 15,395,868 × 15,395,868
  4. Step 4: Simplify right side
    7,129,663.50x = 237,032,751,473,424
  5. Step 5: Solve for x
    x = 237,032,751,473,424/7,129,663.50
  6. Step 6: Final answer
    x = 33,245,994.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.