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Finding the Third Proportional to 4,972,650 and 7,018,881

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Solution

The third proportional to 4,972,650 and 7,018,881 is: 9,907,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972,650 : 7,018,881 = 7,018,881 : x
  2. Step 2: Convert to fraction form
    4,972,650/7,018,881 = 7,018,881/x
  3. Step 3: Cross multiply
    4,972,650x = 7,018,881 × 7,018,881
  4. Step 4: Simplify right side
    4,972,650x = 49,264,690,492,161
  5. Step 5: Solve for x
    x = 49,264,690,492,161/4,972,650
  6. Step 6: Final answer
    x = 9,907,130.10

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.