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Finding the Third Proportional to 13,605,418 and 20,624,074

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Solution

The third proportional to 13,605,418 and 20,624,074 is: 31,263,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605,418 : 20,624,074 = 20,624,074 : x
  2. Step 2: Convert to fraction form
    13,605,418/20,624,074 = 20,624,074/x
  3. Step 3: Cross multiply
    13,605,418x = 20,624,074 × 20,624,074
  4. Step 4: Simplify right side
    13,605,418x = 425,352,428,357,476
  5. Step 5: Solve for x
    x = 425,352,428,357,476/13,605,418
  6. Step 6: Final answer
    x = 31,263,459.04

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.