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Finding the Third Proportional to 3,642,808.50 and 7,900,250.63

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Solution

The third proportional to 3,642,808.50 and 7,900,250.63 is: 17,133,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,808.50 : 7,900,250.63 = 7,900,250.63 : x
  2. Step 2: Convert to fraction form
    3,642,808.50/7,900,250.63 = 7,900,250.63/x
  3. Step 3: Cross multiply
    3,642,808.50x = 7,900,250.63 × 7,900,250.63
  4. Step 4: Simplify right side
    3,642,808.50x = 62,413,959,937,812.89
  5. Step 5: Solve for x
    x = 62,413,959,937,812.89/3,642,808.50
  6. Step 6: Final answer
    x = 17,133,472.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.