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Finding the Third Proportional to 71,963,839.50 and 105,246,790.50

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Solution

The third proportional to 71,963,839.50 and 105,246,790.50 is: 153,922,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,963,839.50 : 105,246,790.50 = 105,246,790.50 : x
  2. Step 2: Convert to fraction form
    71,963,839.50/105,246,790.50 = 105,246,790.50/x
  3. Step 3: Cross multiply
    71,963,839.50x = 105,246,790.50 × 105,246,790.50
  4. Step 4: Simplify right side
    71,963,839.50x = 11,076,886,910,550,890
  5. Step 5: Solve for x
    x = 11,076,886,910,550,890/71,963,839.50
  6. Step 6: Final answer
    x = 153,922,956.13

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.