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Finding the Third Proportional to 71,169,900.75 and 155,391,817.50

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Solution

The third proportional to 71,169,900.75 and 155,391,817.50 is: 339,281,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,169,900.75 : 155,391,817.50 = 155,391,817.50 : x
  2. Step 2: Convert to fraction form
    71,169,900.75/155,391,817.50 = 155,391,817.50/x
  3. Step 3: Cross multiply
    71,169,900.75x = 155,391,817.50 × 155,391,817.50
  4. Step 4: Simplify right side
    71,169,900.75x = 24,146,616,945,953,308
  5. Step 5: Solve for x
    x = 24,146,616,945,953,308/71,169,900.75
  6. Step 6: Final answer
    x = 339,281,307.01

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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.