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Finding the Third Proportional to 518,132,520 and 740,935,603

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Solution

The third proportional to 518,132,520 and 740,935,603 is: 1,059,546,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,132,520 : 740,935,603 = 740,935,603 : x
  2. Step 2: Convert to fraction form
    518,132,520/740,935,603 = 740,935,603/x
  3. Step 3: Cross multiply
    518,132,520x = 740,935,603 × 740,935,603
  4. Step 4: Simplify right side
    518,132,520x = 548,985,567,792,973,632
  5. Step 5: Solve for x
    x = 548,985,567,792,973,632/518,132,520
  6. Step 6: Final answer
    x = 1,059,546,634.50

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.