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Finding the Third Proportional to 117,313,320 and 172,378,596

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Solution

The third proportional to 117,313,320 and 172,378,596 is: 253,290,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,313,320 : 172,378,596 = 172,378,596 : x
  2. Step 2: Convert to fraction form
    117,313,320/172,378,596 = 172,378,596/x
  3. Step 3: Cross multiply
    117,313,320x = 172,378,596 × 172,378,596
  4. Step 4: Simplify right side
    117,313,320x = 29,714,380,358,931,216
  5. Step 5: Solve for x
    x = 29,714,380,358,931,216/117,313,320
  6. Step 6: Final answer
    x = 253,290,763.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.