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Finding the Third Proportional to 5,254,648.50 and 7,919,557.50

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Solution

The third proportional to 5,254,648.50 and 7,919,557.50 is: 11,935,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,648.50 : 7,919,557.50 = 7,919,557.50 : x
  2. Step 2: Convert to fraction form
    5,254,648.50/7,919,557.50 = 7,919,557.50/x
  3. Step 3: Cross multiply
    5,254,648.50x = 7,919,557.50 × 7,919,557.50
  4. Step 4: Simplify right side
    5,254,648.50x = 62,719,390,995,806.25
  5. Step 5: Solve for x
    x = 62,719,390,995,806.25/5,254,648.50
  6. Step 6: Final answer
    x = 11,935,982.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.