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Finding the Third Proportional to 129,118,000 and 276,656,352

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Solution

The third proportional to 129,118,000 and 276,656,352 is: 592,781,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,118,000 : 276,656,352 = 276,656,352 : x
  2. Step 2: Convert to fraction form
    129,118,000/276,656,352 = 276,656,352/x
  3. Step 3: Cross multiply
    129,118,000x = 276,656,352 × 276,656,352
  4. Step 4: Simplify right side
    129,118,000x = 76,538,737,101,947,904
  5. Step 5: Solve for x
    x = 76,538,737,101,947,904/129,118,000
  6. Step 6: Final answer
    x = 592,781,309.36

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.