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Finding the Third Proportional to 7,980,241.50 and 12,638,376

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Solution

The third proportional to 7,980,241.50 and 12,638,376 is: 20,015,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,241.50 : 12,638,376 = 12,638,376 : x
  2. Step 2: Convert to fraction form
    7,980,241.50/12,638,376 = 12,638,376/x
  3. Step 3: Cross multiply
    7,980,241.50x = 12,638,376 × 12,638,376
  4. Step 4: Simplify right side
    7,980,241.50x = 159,728,547,917,376
  5. Step 5: Solve for x
    x = 159,728,547,917,376/7,980,241.50
  6. Step 6: Final answer
    x = 20,015,503.03

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.