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Finding the Third Proportional to 70,939,431 and 152,818,236

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Solution

The third proportional to 70,939,431 and 152,818,236 is: 329,202,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,939,431 : 152,818,236 = 152,818,236 : x
  2. Step 2: Convert to fraction form
    70,939,431/152,818,236 = 152,818,236/x
  3. Step 3: Cross multiply
    70,939,431x = 152,818,236 × 152,818,236
  4. Step 4: Simplify right side
    70,939,431x = 23,353,413,254,151,696
  5. Step 5: Solve for x
    x = 23,353,413,254,151,696/70,939,431
  6. Step 6: Final answer
    x = 329,202,150.69

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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.