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Finding the Third Proportional to 5,039,374.50 and 7,756,290

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Solution

The third proportional to 5,039,374.50 and 7,756,290 is: 11,937,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039,374.50 : 7,756,290 = 7,756,290 : x
  2. Step 2: Convert to fraction form
    5,039,374.50/7,756,290 = 7,756,290/x
  3. Step 3: Cross multiply
    5,039,374.50x = 7,756,290 × 7,756,290
  4. Step 4: Simplify right side
    5,039,374.50x = 60,160,034,564,100
  5. Step 5: Solve for x
    x = 60,160,034,564,100/5,039,374.50
  6. Step 6: Final answer
    x = 11,937,996.39

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.