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Finding the Third Proportional to 124,705.50 and 301,899.75

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Solution

The third proportional to 124,705.50 and 301,899.75 is: 730,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,705.50 : 301,899.75 = 301,899.75 : x
  2. Step 2: Convert to fraction form
    124,705.50/301,899.75 = 301,899.75/x
  3. Step 3: Cross multiply
    124,705.50x = 301,899.75 × 301,899.75
  4. Step 4: Simplify right side
    124,705.50x = 91,143,459,050.06
  5. Step 5: Solve for x
    x = 91,143,459,050.06/124,705.50
  6. Step 6: Final answer
    x = 730,869.60

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.