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Finding the Third Proportional to 28,409,148 and 62,609,472

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Solution

The third proportional to 28,409,148 and 62,609,472 is: 137,981,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409,148 : 62,609,472 = 62,609,472 : x
  2. Step 2: Convert to fraction form
    28,409,148/62,609,472 = 62,609,472/x
  3. Step 3: Cross multiply
    28,409,148x = 62,609,472 × 62,609,472
  4. Step 4: Simplify right side
    28,409,148x = 3,919,945,984,118,784
  5. Step 5: Solve for x
    x = 3,919,945,984,118,784/28,409,148
  6. Step 6: Final answer
    x = 137,981,821.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.