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Finding the Third Proportional to 66,650,809.50 and 88,438,513.50

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Solution

The third proportional to 66,650,809.50 and 88,438,513.50 is: 117,348,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,650,809.50 : 88,438,513.50 = 88,438,513.50 : x
  2. Step 2: Convert to fraction form
    66,650,809.50/88,438,513.50 = 88,438,513.50/x
  3. Step 3: Cross multiply
    66,650,809.50x = 88,438,513.50 × 88,438,513.50
  4. Step 4: Simplify right side
    66,650,809.50x = 7,821,370,670,089,682
  5. Step 5: Solve for x
    x = 7,821,370,670,089,682/66,650,809.50
  6. Step 6: Final answer
    x = 117,348,472.27

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.