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Finding the Third Proportional to 1,271,640,402 and 1,717,558,830

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Solution

The third proportional to 1,271,640,402 and 1,717,558,830 is: 2,319,844,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,640,402 : 1,717,558,830 = 1,717,558,830 : x
  2. Step 2: Convert to fraction form
    1,271,640,402/1,717,558,830 = 1,717,558,830/x
  3. Step 3: Cross multiply
    1,271,640,402x = 1,717,558,830 × 1,717,558,830
  4. Step 4: Simplify right side
    1,271,640,402x = 2,950,008,334,510,968,832
  5. Step 5: Solve for x
    x = 2,950,008,334,510,968,832/1,271,640,402
  6. Step 6: Final answer
    x = 2,319,844,768.91

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.