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Finding the Third Proportional to 15,672,987 and 33,242,353

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Solution

The third proportional to 15,672,987 and 33,242,353 is: 70,506,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,987 : 33,242,353 = 33,242,353 : x
  2. Step 2: Convert to fraction form
    15,672,987/33,242,353 = 33,242,353/x
  3. Step 3: Cross multiply
    15,672,987x = 33,242,353 × 33,242,353
  4. Step 4: Simplify right side
    15,672,987x = 1,105,054,032,976,609
  5. Step 5: Solve for x
    x = 1,105,054,032,976,609/15,672,987
  6. Step 6: Final answer
    x = 70,506,919.52

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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.