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Finding the Third Proportional to 11,495,428 and 19,158,228

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Solution

The third proportional to 11,495,428 and 19,158,228 is: 31,929,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495,428 : 19,158,228 = 19,158,228 : x
  2. Step 2: Convert to fraction form
    11,495,428/19,158,228 = 19,158,228/x
  3. Step 3: Cross multiply
    11,495,428x = 19,158,228 × 19,158,228
  4. Step 4: Simplify right side
    11,495,428x = 367,037,700,099,984
  5. Step 5: Solve for x
    x = 367,037,700,099,984/11,495,428
  6. Step 6: Final answer
    x = 31,929,015.61

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.