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Finding the Third Proportional to 4,997,951,907 and 7,312,949,368.50

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Solution

The third proportional to 4,997,951,907 and 7,312,949,368.50 is: 10,700,228,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997,951,907 : 7,312,949,368.50 = 7,312,949,368.50 : x
  2. Step 2: Convert to fraction form
    4,997,951,907/7,312,949,368.50 = 7,312,949,368.50/x
  3. Step 3: Cross multiply
    4,997,951,907x = 7,312,949,368.50 × 7,312,949,368.50
  4. Step 4: Simplify right side
    4,997,951,907x = 53,479,228,466,244,550,656
  5. Step 5: Solve for x
    x = 53,479,228,466,244,550,656/4,997,951,907
  6. Step 6: Final answer
    x = 10,700,228,705.95

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.