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Finding the Third Proportional to 38,872,074 and 89,991,270

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Solution

The third proportional to 38,872,074 and 89,991,270 is: 208,335,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872,074 : 89,991,270 = 89,991,270 : x
  2. Step 2: Convert to fraction form
    38,872,074/89,991,270 = 89,991,270/x
  3. Step 3: Cross multiply
    38,872,074x = 89,991,270 × 89,991,270
  4. Step 4: Simplify right side
    38,872,074x = 8,098,428,676,212,900
  5. Step 5: Solve for x
    x = 8,098,428,676,212,900/38,872,074
  6. Step 6: Final answer
    x = 208,335,389.47

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.