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Finding the Third Proportional to 76,692,315 and 107,872,861.50

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Solution

The third proportional to 76,692,315 and 107,872,861.50 is: 151,730,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,692,315 : 107,872,861.50 = 107,872,861.50 : x
  2. Step 2: Convert to fraction form
    76,692,315/107,872,861.50 = 107,872,861.50/x
  3. Step 3: Cross multiply
    76,692,315x = 107,872,861.50 × 107,872,861.50
  4. Step 4: Simplify right side
    76,692,315x = 11,636,554,248,198,182
  5. Step 5: Solve for x
    x = 11,636,554,248,198,182/76,692,315
  6. Step 6: Final answer
    x = 151,730,381.96

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.