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Finding the Third Proportional to 155,507,985 and 334,094,121

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Solution

The third proportional to 155,507,985 and 334,094,121 is: 717,769,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,507,985 : 334,094,121 = 334,094,121 : x
  2. Step 2: Convert to fraction form
    155,507,985/334,094,121 = 334,094,121/x
  3. Step 3: Cross multiply
    155,507,985x = 334,094,121 × 334,094,121
  4. Step 4: Simplify right side
    155,507,985x = 111,618,881,686,762,640
  5. Step 5: Solve for x
    x = 111,618,881,686,762,640/155,507,985
  6. Step 6: Final answer
    x = 717,769,455.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.