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Finding the Third Proportional to 30,284,872 and 66,050,905

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Solution

The third proportional to 30,284,872 and 66,050,905 is: 144,056,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284,872 : 66,050,905 = 66,050,905 : x
  2. Step 2: Convert to fraction form
    30,284,872/66,050,905 = 66,050,905/x
  3. Step 3: Cross multiply
    30,284,872x = 66,050,905 × 66,050,905
  4. Step 4: Simplify right side
    30,284,872x = 4,362,722,051,319,025
  5. Step 5: Solve for x
    x = 4,362,722,051,319,025/30,284,872
  6. Step 6: Final answer
    x = 144,056,149.60

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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.