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Finding the Third Proportional to 355,320,820.13 and 552,357,964.13

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Solution

The third proportional to 355,320,820.13 and 552,357,964.13 is: 858,658,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,320,820.13 : 552,357,964.13 = 552,357,964.13 : x
  2. Step 2: Convert to fraction form
    355,320,820.13/552,357,964.13 = 552,357,964.13/x
  3. Step 3: Cross multiply
    355,320,820.13x = 552,357,964.13 × 552,357,964.13
  4. Step 4: Simplify right side
    355,320,820.13x = 305,099,320,532,314,816
  5. Step 5: Solve for x
    x = 305,099,320,532,314,816/355,320,820.13
  6. Step 6: Final answer
    x = 858,658,719.82

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.