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Finding the Third Proportional to 2,421,928.50 and 5,191,590

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Solution

The third proportional to 2,421,928.50 and 5,191,590 is: 11,128,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,928.50 : 5,191,590 = 5,191,590 : x
  2. Step 2: Convert to fraction form
    2,421,928.50/5,191,590 = 5,191,590/x
  3. Step 3: Cross multiply
    2,421,928.50x = 5,191,590 × 5,191,590
  4. Step 4: Simplify right side
    2,421,928.50x = 26,952,606,728,100
  5. Step 5: Solve for x
    x = 26,952,606,728,100/2,421,928.50
  6. Step 6: Final answer
    x = 11,128,572.43

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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.