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Finding the Third Proportional to 71,523,817 and 154,481,813.75

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Solution

The third proportional to 71,523,817 and 154,481,813.75 is: 333,659,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,523,817 : 154,481,813.75 = 154,481,813.75 : x
  2. Step 2: Convert to fraction form
    71,523,817/154,481,813.75 = 154,481,813.75/x
  3. Step 3: Cross multiply
    71,523,817x = 154,481,813.75 × 154,481,813.75
  4. Step 4: Simplify right side
    71,523,817x = 23,864,630,779,489,688
  5. Step 5: Solve for x
    x = 23,864,630,779,489,688/71,523,817
  6. Step 6: Final answer
    x = 333,659,916.10

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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.