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Finding the Third Proportional to 5,254,645.50 and 7,919,552.25

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Solution

The third proportional to 5,254,645.50 and 7,919,552.25 is: 11,935,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,645.50 : 7,919,552.25 = 7,919,552.25 : x
  2. Step 2: Convert to fraction form
    5,254,645.50/7,919,552.25 = 7,919,552.25/x
  3. Step 3: Cross multiply
    5,254,645.50x = 7,919,552.25 × 7,919,552.25
  4. Step 4: Simplify right side
    5,254,645.50x = 62,719,307,840,480.06
  5. Step 5: Solve for x
    x = 62,719,307,840,480.06/5,254,645.50
  6. Step 6: Final answer
    x = 11,935,973.20

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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.