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Finding the Third Proportional to 31,449,975 and 67,272,033

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Solution

The third proportional to 31,449,975 and 67,272,033 is: 143,896,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449,975 : 67,272,033 = 67,272,033 : x
  2. Step 2: Convert to fraction form
    31,449,975/67,272,033 = 67,272,033/x
  3. Step 3: Cross multiply
    31,449,975x = 67,272,033 × 67,272,033
  4. Step 4: Simplify right side
    31,449,975x = 4,525,526,423,953,089
  5. Step 5: Solve for x
    x = 4,525,526,423,953,089/31,449,975
  6. Step 6: Final answer
    x = 143,896,026.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.