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Finding the Third Proportional to 81,252,805.50 and 175,758,466.50

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Solution

The third proportional to 81,252,805.50 and 175,758,466.50 is: 380,184,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,252,805.50 : 175,758,466.50 = 175,758,466.50 : x
  2. Step 2: Convert to fraction form
    81,252,805.50/175,758,466.50 = 175,758,466.50/x
  3. Step 3: Cross multiply
    81,252,805.50x = 175,758,466.50 × 175,758,466.50
  4. Step 4: Simplify right side
    81,252,805.50x = 30,891,038,546,431,624
  5. Step 5: Solve for x
    x = 30,891,038,546,431,624/81,252,805.50
  6. Step 6: Final answer
    x = 380,184,270.02

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.