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Finding the Third Proportional to 293,360,080 and 621,689,696

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Solution

The third proportional to 293,360,080 and 621,689,696 is: 1,317,486,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,360,080 : 621,689,696 = 621,689,696 : x
  2. Step 2: Convert to fraction form
    293,360,080/621,689,696 = 621,689,696/x
  3. Step 3: Cross multiply
    293,360,080x = 621,689,696 × 621,689,696
  4. Step 4: Simplify right side
    293,360,080x = 386,498,078,112,572,416
  5. Step 5: Solve for x
    x = 386,498,078,112,572,416/293,360,080
  6. Step 6: Final answer
    x = 1,317,486,953.62

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.