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Finding the Third Proportional to 4,603,213.50 and 9,691,666.50

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Solution

The third proportional to 4,603,213.50 and 9,691,666.50 is: 20,404,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603,213.50 : 9,691,666.50 = 9,691,666.50 : x
  2. Step 2: Convert to fraction form
    4,603,213.50/9,691,666.50 = 9,691,666.50/x
  3. Step 3: Cross multiply
    4,603,213.50x = 9,691,666.50 × 9,691,666.50
  4. Step 4: Simplify right side
    4,603,213.50x = 93,928,399,547,222.25
  5. Step 5: Solve for x
    x = 93,928,399,547,222.25/4,603,213.50
  6. Step 6: Final answer
    x = 20,404,962.65

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.