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Finding the Third Proportional to 720,269,456.06 and 1,667,319,978.66

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Solution

The third proportional to 720,269,456.06 and 1,667,319,978.66 is: 3,859,605,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,269,456.06 : 1,667,319,978.66 = 1,667,319,978.66 : x
  2. Step 2: Convert to fraction form
    720,269,456.06/1,667,319,978.66 = 1,667,319,978.66/x
  3. Step 3: Cross multiply
    720,269,456.06x = 1,667,319,978.66 × 1,667,319,978.66
  4. Step 4: Simplify right side
    720,269,456.06x = 2,779,955,911,226,110,976
  5. Step 5: Solve for x
    x = 2,779,955,911,226,110,976/720,269,456.06
  6. Step 6: Final answer
    x = 3,859,605,440.47

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.