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Finding the Third Proportional to 176,503,841.72 and 384,788,315.25

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Solution

The third proportional to 176,503,841.72 and 384,788,315.25 is: 838,860,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,503,841.72 : 384,788,315.25 = 384,788,315.25 : x
  2. Step 2: Convert to fraction form
    176,503,841.72/384,788,315.25 = 384,788,315.25/x
  3. Step 3: Cross multiply
    176,503,841.72x = 384,788,315.25 × 384,788,315.25
  4. Step 4: Simplify right side
    176,503,841.72x = 148,062,047,552,933,376
  5. Step 5: Solve for x
    x = 148,062,047,552,933,376/176,503,841.72
  6. Step 6: Final answer
    x = 838,860,197.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.