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Finding the Third Proportional to 147,890,873 and 319,164,826

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Solution

The third proportional to 147,890,873 and 319,164,826 is: 688,792,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,890,873 : 319,164,826 = 319,164,826 : x
  2. Step 2: Convert to fraction form
    147,890,873/319,164,826 = 319,164,826/x
  3. Step 3: Cross multiply
    147,890,873x = 319,164,826 × 319,164,826
  4. Step 4: Simplify right side
    147,890,873x = 101,866,186,155,610,272
  5. Step 5: Solve for x
    x = 101,866,186,155,610,272/147,890,873
  6. Step 6: Final answer
    x = 688,792,919.33

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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.