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Finding the Third Proportional to 293,360,113 and 621,689,762

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Solution

The third proportional to 293,360,113 and 621,689,762 is: 1,317,487,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,360,113 : 621,689,762 = 621,689,762 : x
  2. Step 2: Convert to fraction form
    293,360,113/621,689,762 = 621,689,762/x
  3. Step 3: Cross multiply
    293,360,113x = 621,689,762 × 621,689,762
  4. Step 4: Simplify right side
    293,360,113x = 386,498,160,175,616,640
  5. Step 5: Solve for x
    x = 386,498,160,175,616,640/293,360,113
  6. Step 6: Final answer
    x = 1,317,487,085.15

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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.