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Finding the Third Proportional to 351,813 and 545,461.50

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Solution

The third proportional to 351,813 and 545,461.50 is: 845,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,813 : 545,461.50 = 545,461.50 : x
  2. Step 2: Convert to fraction form
    351,813/545,461.50 = 545,461.50/x
  3. Step 3: Cross multiply
    351,813x = 545,461.50 × 545,461.50
  4. Step 4: Simplify right side
    351,813x = 297,528,247,982.25
  5. Step 5: Solve for x
    x = 297,528,247,982.25/351,813
  6. Step 6: Final answer
    x = 845,699.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.