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Finding the Third Proportional to 2,547,655.50 and 3,909,936

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Solution

The third proportional to 2,547,655.50 and 3,909,936 is: 6,000,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547,655.50 : 3,909,936 = 3,909,936 : x
  2. Step 2: Convert to fraction form
    2,547,655.50/3,909,936 = 3,909,936/x
  3. Step 3: Cross multiply
    2,547,655.50x = 3,909,936 × 3,909,936
  4. Step 4: Simplify right side
    2,547,655.50x = 15,287,599,524,096
  5. Step 5: Solve for x
    x = 15,287,599,524,096/2,547,655.50
  6. Step 6: Final answer
    x = 6,000,654.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.