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Finding the Third Proportional to 1,330,209,488.50 and 1,870,850,647.50

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Solution

The third proportional to 1,330,209,488.50 and 1,870,850,647.50 is: 2,631,226,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,209,488.50 : 1,870,850,647.50 = 1,870,850,647.50 : x
  2. Step 2: Convert to fraction form
    1,330,209,488.50/1,870,850,647.50 = 1,870,850,647.50/x
  3. Step 3: Cross multiply
    1,330,209,488.50x = 1,870,850,647.50 × 1,870,850,647.50
  4. Step 4: Simplify right side
    1,330,209,488.50x = 3,500,082,145,251,169,280
  5. Step 5: Solve for x
    x = 3,500,082,145,251,169,280/1,330,209,488.50
  6. Step 6: Final answer
    x = 2,631,226,265.87

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.