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Finding the Third Proportional to 151,623,108 and 216,672,928.88

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Solution

The third proportional to 151,623,108 and 216,672,928.88 is: 309,630,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,623,108 : 216,672,928.88 = 216,672,928.88 : x
  2. Step 2: Convert to fraction form
    151,623,108/216,672,928.88 = 216,672,928.88/x
  3. Step 3: Cross multiply
    151,623,108x = 216,672,928.88 × 216,672,928.88
  4. Step 4: Simplify right side
    151,623,108x = 46,947,158,107,270,808
  5. Step 5: Solve for x
    x = 46,947,158,107,270,808/151,623,108
  6. Step 6: Final answer
    x = 309,630,627.72

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.