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Finding the Third Proportional to 491,602.50 and 747,666.75

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Solution

The third proportional to 491,602.50 and 747,666.75 is: 1,137,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,602.50 : 747,666.75 = 747,666.75 : x
  2. Step 2: Convert to fraction form
    491,602.50/747,666.75 = 747,666.75/x
  3. Step 3: Cross multiply
    491,602.50x = 747,666.75 × 747,666.75
  4. Step 4: Simplify right side
    491,602.50x = 559,005,569,055.56
  5. Step 5: Solve for x
    x = 559,005,569,055.56/491,602.50
  6. Step 6: Final answer
    x = 1,137,108.88

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.