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Finding the Third Proportional to 16,690,550 and 35,174,413

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Solution

The third proportional to 16,690,550 and 35,174,413 is: 74,128,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690,550 : 35,174,413 = 35,174,413 : x
  2. Step 2: Convert to fraction form
    16,690,550/35,174,413 = 35,174,413/x
  3. Step 3: Cross multiply
    16,690,550x = 35,174,413 × 35,174,413
  4. Step 4: Simplify right side
    16,690,550x = 1,237,239,329,894,569
  5. Step 5: Solve for x
    x = 1,237,239,329,894,569/16,690,550
  6. Step 6: Final answer
    x = 74,128,134.18

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.