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Finding the Third Proportional to 621,715.50 and 960,045.75

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Solution

The third proportional to 621,715.50 and 960,045.75 is: 1,482,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,715.50 : 960,045.75 = 960,045.75 : x
  2. Step 2: Convert to fraction form
    621,715.50/960,045.75 = 960,045.75/x
  3. Step 3: Cross multiply
    621,715.50x = 960,045.75 × 960,045.75
  4. Step 4: Simplify right side
    621,715.50x = 921,687,842,093.06
  5. Step 5: Solve for x
    x = 921,687,842,093.06/621,715.50
  6. Step 6: Final answer
    x = 1,482,491.34

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.