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Finding the Third Proportional to 102,011,504.50 and 221,342,586.50

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Solution

The third proportional to 102,011,504.50 and 221,342,586.50 is: 480,264,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,011,504.50 : 221,342,586.50 = 221,342,586.50 : x
  2. Step 2: Convert to fraction form
    102,011,504.50/221,342,586.50 = 221,342,586.50/x
  3. Step 3: Cross multiply
    102,011,504.50x = 221,342,586.50 × 221,342,586.50
  4. Step 4: Simplify right side
    102,011,504.50x = 48,992,540,598,509,984
  5. Step 5: Solve for x
    x = 48,992,540,598,509,984/102,011,504.50
  6. Step 6: Final answer
    x = 480,264,856.78

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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.