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Finding the Third Proportional to 147,890,889 and 319,164,852

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Solution

The third proportional to 147,890,889 and 319,164,852 is: 688,792,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,890,889 : 319,164,852 = 319,164,852 : x
  2. Step 2: Convert to fraction form
    147,890,889/319,164,852 = 319,164,852/x
  3. Step 3: Cross multiply
    147,890,889x = 319,164,852 × 319,164,852
  4. Step 4: Simplify right side
    147,890,889x = 101,866,202,752,181,904
  5. Step 5: Solve for x
    x = 101,866,202,752,181,904/147,890,889
  6. Step 6: Final answer
    x = 688,792,957.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.