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Finding the Third Proportional to 27,827,479 and 43,331,389

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Solution

The third proportional to 27,827,479 and 43,331,389 is: 67,473,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827,479 : 43,331,389 = 43,331,389 : x
  2. Step 2: Convert to fraction form
    27,827,479/43,331,389 = 43,331,389/x
  3. Step 3: Cross multiply
    27,827,479x = 43,331,389 × 43,331,389
  4. Step 4: Simplify right side
    27,827,479x = 1,877,609,272,669,321
  5. Step 5: Solve for x
    x = 1,877,609,272,669,321/27,827,479
  6. Step 6: Final answer
    x = 67,473,207.78

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.