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Finding the Third Proportional to 12,113,066 and 18,618,617

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Solution

The third proportional to 12,113,066 and 18,618,617 is: 28,618,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,066 : 18,618,617 = 18,618,617 : x
  2. Step 2: Convert to fraction form
    12,113,066/18,618,617 = 18,618,617/x
  3. Step 3: Cross multiply
    12,113,066x = 18,618,617 × 18,618,617
  4. Step 4: Simplify right side
    12,113,066x = 346,652,898,992,689
  5. Step 5: Solve for x
    x = 346,652,898,992,689/12,113,066
  6. Step 6: Final answer
    x = 28,618,097.10

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.