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Finding the Third Proportional to 5,013,990 and 7,750,989

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Solution

The third proportional to 5,013,990 and 7,750,989 is: 11,982,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013,990 : 7,750,989 = 7,750,989 : x
  2. Step 2: Convert to fraction form
    5,013,990/7,750,989 = 7,750,989/x
  3. Step 3: Cross multiply
    5,013,990x = 7,750,989 × 7,750,989
  4. Step 4: Simplify right side
    5,013,990x = 60,077,830,478,121
  5. Step 5: Solve for x
    x = 60,077,830,478,121/5,013,990
  6. Step 6: Final answer
    x = 11,982,040.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.