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Finding the Third Proportional to 9,755,497 and 21,009,362

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Solution

The third proportional to 9,755,497 and 21,009,362 is: 45,245,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755,497 : 21,009,362 = 21,009,362 : x
  2. Step 2: Convert to fraction form
    9,755,497/21,009,362 = 21,009,362/x
  3. Step 3: Cross multiply
    9,755,497x = 21,009,362 × 21,009,362
  4. Step 4: Simplify right side
    9,755,497x = 441,393,291,647,044
  5. Step 5: Solve for x
    x = 441,393,291,647,044/9,755,497
  6. Step 6: Final answer
    x = 45,245,597.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.