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Finding the Third Proportional to 30,285,798.75 and 66,052,766.25

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Solution

The third proportional to 30,285,798.75 and 66,052,766.25 is: 144,059,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285,798.75 : 66,052,766.25 = 66,052,766.25 : x
  2. Step 2: Convert to fraction form
    30,285,798.75/66,052,766.25 = 66,052,766.25/x
  3. Step 3: Cross multiply
    30,285,798.75x = 66,052,766.25 × 66,052,766.25
  4. Step 4: Simplify right side
    30,285,798.75x = 4,362,967,929,277,139
  5. Step 5: Solve for x
    x = 4,362,967,929,277,139/30,285,798.75
  6. Step 6: Final answer
    x = 144,059,860.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.