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Finding the Third Proportional to 31,949,001 and 69,979,603.50

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Solution

The third proportional to 31,949,001 and 69,979,603.50 is: 153,280,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949,001 : 69,979,603.50 = 69,979,603.50 : x
  2. Step 2: Convert to fraction form
    31,949,001/69,979,603.50 = 69,979,603.50/x
  3. Step 3: Cross multiply
    31,949,001x = 69,979,603.50 × 69,979,603.50
  4. Step 4: Simplify right side
    31,949,001x = 4,897,144,906,017,212
  5. Step 5: Solve for x
    x = 4,897,144,906,017,212/31,949,001
  6. Step 6: Final answer
    x = 153,280,063.62

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.