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Finding the Third Proportional to 15,672,919 and 33,242,217

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Solution

The third proportional to 15,672,919 and 33,242,217 is: 70,506,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,919 : 33,242,217 = 33,242,217 : x
  2. Step 2: Convert to fraction form
    15,672,919/33,242,217 = 33,242,217/x
  3. Step 3: Cross multiply
    15,672,919x = 33,242,217 × 33,242,217
  4. Step 4: Simplify right side
    15,672,919x = 1,105,044,991,075,089
  5. Step 5: Solve for x
    x = 1,105,044,991,075,089/15,672,919
  6. Step 6: Final answer
    x = 70,506,648.51

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.