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Finding the Third Proportional to 623,814.75 and 913,477.50

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Solution

The third proportional to 623,814.75 and 913,477.50 is: 1,337,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,814.75 : 913,477.50 = 913,477.50 : x
  2. Step 2: Convert to fraction form
    623,814.75/913,477.50 = 913,477.50/x
  3. Step 3: Cross multiply
    623,814.75x = 913,477.50 × 913,477.50
  4. Step 4: Simplify right side
    623,814.75x = 834,441,143,006.25
  5. Step 5: Solve for x
    x = 834,441,143,006.25/623,814.75
  6. Step 6: Final answer
    x = 1,337,642.53

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.