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Finding the Third Proportional to 49,106.25 and 77,881.50

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Solution

The third proportional to 49,106.25 and 77,881.50 is: 123,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,106.25 : 77,881.50 = 77,881.50 : x
  2. Step 2: Convert to fraction form
    49,106.25/77,881.50 = 77,881.50/x
  3. Step 3: Cross multiply
    49,106.25x = 77,881.50 × 77,881.50
  4. Step 4: Simplify right side
    49,106.25x = 6,065,528,042.25
  5. Step 5: Solve for x
    x = 6,065,528,042.25/49,106.25
  6. Step 6: Final answer
    x = 123,518.45

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.