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Finding the Third Proportional to 4,214,701.50 and 9,138,001.50

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Solution

The third proportional to 4,214,701.50 and 9,138,001.50 is: 19,812,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214,701.50 : 9,138,001.50 = 9,138,001.50 : x
  2. Step 2: Convert to fraction form
    4,214,701.50/9,138,001.50 = 9,138,001.50/x
  3. Step 3: Cross multiply
    4,214,701.50x = 9,138,001.50 × 9,138,001.50
  4. Step 4: Simplify right side
    4,214,701.50x = 83,503,071,414,002.25
  5. Step 5: Solve for x
    x = 83,503,071,414,002.25/4,214,701.50
  6. Step 6: Final answer
    x = 19,812,333.43

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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.