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Finding the Third Proportional to 66,321,724 and 156,336,590

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Solution

The third proportional to 66,321,724 and 156,336,590 is: 368,523,733.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,321,724 : 156,336,590 = 156,336,590 : x
  2. Step 2: Convert to fraction form
    66,321,724/156,336,590 = 156,336,590/x
  3. Step 3: Cross multiply
    66,321,724x = 156,336,590 × 156,336,590
  4. Step 4: Simplify right side
    66,321,724x = 24,441,129,372,828,100
  5. Step 5: Solve for x
    x = 24,441,129,372,828,100/66,321,724
  6. Step 6: Final answer
    x = 368,523,733.99

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.