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Finding the Third Proportional to 21,677,768 and 29,526,447

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Solution

The third proportional to 21,677,768 and 29,526,447 is: 40,216,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677,768 : 29,526,447 = 29,526,447 : x
  2. Step 2: Convert to fraction form
    21,677,768/29,526,447 = 29,526,447/x
  3. Step 3: Cross multiply
    21,677,768x = 29,526,447 × 29,526,447
  4. Step 4: Simplify right side
    21,677,768x = 871,811,072,443,809
  5. Step 5: Solve for x
    x = 871,811,072,443,809/21,677,768
  6. Step 6: Final answer
    x = 40,216,828.25

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.