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Finding the Third Proportional to 18,758,862.75 and 40,648,648.50

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Solution

The third proportional to 18,758,862.75 and 40,648,648.50 is: 88,081,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758,862.75 : 40,648,648.50 = 40,648,648.50 : x
  2. Step 2: Convert to fraction form
    18,758,862.75/40,648,648.50 = 40,648,648.50/x
  3. Step 3: Cross multiply
    18,758,862.75x = 40,648,648.50 × 40,648,648.50
  4. Step 4: Simplify right side
    18,758,862.75x = 1,652,312,624,876,552.25
  5. Step 5: Solve for x
    x = 1,652,312,624,876,552.25/18,758,862.75
  6. Step 6: Final answer
    x = 88,081,705.53

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.