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Finding the Third Proportional to 15,683,638.50 and 33,972,813

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Solution

The third proportional to 15,683,638.50 and 33,972,813 is: 73,589,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683,638.50 : 33,972,813 = 33,972,813 : x
  2. Step 2: Convert to fraction form
    15,683,638.50/33,972,813 = 33,972,813/x
  3. Step 3: Cross multiply
    15,683,638.50x = 33,972,813 × 33,972,813
  4. Step 4: Simplify right side
    15,683,638.50x = 1,154,152,023,132,969
  5. Step 5: Solve for x
    x = 1,154,152,023,132,969/15,683,638.50
  6. Step 6: Final answer
    x = 73,589,557.88

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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.