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Finding the Third Proportional to 30,883,616 and 66,553,900

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Solution

The third proportional to 30,883,616 and 66,553,900 is: 143,423,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883,616 : 66,553,900 = 66,553,900 : x
  2. Step 2: Convert to fraction form
    30,883,616/66,553,900 = 66,553,900/x
  3. Step 3: Cross multiply
    30,883,616x = 66,553,900 × 66,553,900
  4. Step 4: Simplify right side
    30,883,616x = 4,429,421,605,210,000
  5. Step 5: Solve for x
    x = 4,429,421,605,210,000/30,883,616
  6. Step 6: Final answer
    x = 143,423,024.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.