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Finding the Third Proportional to 28,692,865.50 and 61,479,142.50

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Solution

The third proportional to 28,692,865.50 and 61,479,142.50 is: 131,729,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692,865.50 : 61,479,142.50 = 61,479,142.50 : x
  2. Step 2: Convert to fraction form
    28,692,865.50/61,479,142.50 = 61,479,142.50/x
  3. Step 3: Cross multiply
    28,692,865.50x = 61,479,142.50 × 61,479,142.50
  4. Step 4: Simplify right side
    28,692,865.50x = 3,779,684,962,535,306
  5. Step 5: Solve for x
    x = 3,779,684,962,535,306/28,692,865.50
  6. Step 6: Final answer
    x = 131,729,086.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.