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Finding the Third Proportional to 290,271,108 and 626,718,696

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Solution

The third proportional to 290,271,108 and 626,718,696 is: 1,353,136,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,271,108 : 626,718,696 = 626,718,696 : x
  2. Step 2: Convert to fraction form
    290,271,108/626,718,696 = 626,718,696/x
  3. Step 3: Cross multiply
    290,271,108x = 626,718,696 × 626,718,696
  4. Step 4: Simplify right side
    290,271,108x = 392,776,323,915,940,416
  5. Step 5: Solve for x
    x = 392,776,323,915,940,416/290,271,108
  6. Step 6: Final answer
    x = 1,353,136,130.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.