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Finding the Third Proportional to 907,979,969.25 and 1,888,425,970.88

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Solution

The third proportional to 907,979,969.25 and 1,888,425,970.88 is: 3,927,567,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,979,969.25 : 1,888,425,970.88 = 1,888,425,970.88 : x
  2. Step 2: Convert to fraction form
    907,979,969.25/1,888,425,970.88 = 1,888,425,970.88/x
  3. Step 3: Cross multiply
    907,979,969.25x = 1,888,425,970.88 × 1,888,425,970.88
  4. Step 4: Simplify right side
    907,979,969.25x = 3,566,152,647,475,186,176
  5. Step 5: Solve for x
    x = 3,566,152,647,475,186,176/907,979,969.25
  6. Step 6: Final answer
    x = 3,927,567,532.60

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.