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Finding the Third Proportional to 153,966,116 and 318,845,848

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Solution

The third proportional to 153,966,116 and 318,845,848 is: 660,292,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,966,116 : 318,845,848 = 318,845,848 : x
  2. Step 2: Convert to fraction form
    153,966,116/318,845,848 = 318,845,848/x
  3. Step 3: Cross multiply
    153,966,116x = 318,845,848 × 318,845,848
  4. Step 4: Simplify right side
    153,966,116x = 101,662,674,786,839,104
  5. Step 5: Solve for x
    x = 101,662,674,786,839,104/153,966,116
  6. Step 6: Final answer
    x = 660,292,520.38

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.