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Finding the Third Proportional to 7,167,574,463.75 and 9,965,939,368.50

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Solution

The third proportional to 7,167,574,463.75 and 9,965,939,368.50 is: 13,856,842,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,574,463.75 : 9,965,939,368.50 = 9,965,939,368.50 : x
  2. Step 2: Convert to fraction form
    7,167,574,463.75/9,965,939,368.50 = 9,965,939,368.50/x
  3. Step 3: Cross multiply
    7,167,574,463.75x = 9,965,939,368.50 × 9,965,939,368.50
  4. Step 4: Simplify right side
    7,167,574,463.75x = 99,319,947,496,618,180,608
  5. Step 5: Solve for x
    x = 99,319,947,496,618,180,608/7,167,574,463.75
  6. Step 6: Final answer
    x = 13,856,842,087.78

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.