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Finding the Third Proportional to 61,698.75 and 93,307.50

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Solution

The third proportional to 61,698.75 and 93,307.50 is: 141,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,698.75 : 93,307.50 = 93,307.50 : x
  2. Step 2: Convert to fraction form
    61,698.75/93,307.50 = 93,307.50/x
  3. Step 3: Cross multiply
    61,698.75x = 93,307.50 × 93,307.50
  4. Step 4: Simplify right side
    61,698.75x = 8,706,289,556.25
  5. Step 5: Solve for x
    x = 8,706,289,556.25/61,698.75
  6. Step 6: Final answer
    x = 141,109.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.