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Finding the Third Proportional to 4,242,032 and 8,975,376

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Solution

The third proportional to 4,242,032 and 8,975,376 is: 18,990,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242,032 : 8,975,376 = 8,975,376 : x
  2. Step 2: Convert to fraction form
    4,242,032/8,975,376 = 8,975,376/x
  3. Step 3: Cross multiply
    4,242,032x = 8,975,376 × 8,975,376
  4. Step 4: Simplify right side
    4,242,032x = 80,557,374,341,376
  5. Step 5: Solve for x
    x = 80,557,374,341,376/4,242,032
  6. Step 6: Final answer
    x = 18,990,279.74

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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.