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Finding the Third Proportional to 671,427 and 1,308,586.50

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Solution

The third proportional to 671,427 and 1,308,586.50 is: 2,550,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,427 : 1,308,586.50 = 1,308,586.50 : x
  2. Step 2: Convert to fraction form
    671,427/1,308,586.50 = 1,308,586.50/x
  3. Step 3: Cross multiply
    671,427x = 1,308,586.50 × 1,308,586.50
  4. Step 4: Simplify right side
    671,427x = 1,712,398,627,982.25
  5. Step 5: Solve for x
    x = 1,712,398,627,982.25/671,427
  6. Step 6: Final answer
    x = 2,550,386.90

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.