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Finding the Third Proportional to 19,219,712 and 25,887,648

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Solution

The third proportional to 19,219,712 and 25,887,648 is: 34,868,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219,712 : 25,887,648 = 25,887,648 : x
  2. Step 2: Convert to fraction form
    19,219,712/25,887,648 = 25,887,648/x
  3. Step 3: Cross multiply
    19,219,712x = 25,887,648 × 25,887,648
  4. Step 4: Simplify right side
    19,219,712x = 670,170,318,971,904
  5. Step 5: Solve for x
    x = 670,170,318,971,904/19,219,712
  6. Step 6: Final answer
    x = 34,868,905.37

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.