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Finding the Third Proportional to 153,499,278 and 313,164,612

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Solution

The third proportional to 153,499,278 and 313,164,612 is: 638,909,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,499,278 : 313,164,612 = 313,164,612 : x
  2. Step 2: Convert to fraction form
    153,499,278/313,164,612 = 313,164,612/x
  3. Step 3: Cross multiply
    153,499,278x = 313,164,612 × 313,164,612
  4. Step 4: Simplify right side
    153,499,278x = 98,072,074,209,110,544
  5. Step 5: Solve for x
    x = 98,072,074,209,110,544/153,499,278
  6. Step 6: Final answer
    x = 638,909,026.07

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.