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Finding the Third Proportional to 437,639,220 and 692,990,622

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Solution

The third proportional to 437,639,220 and 692,990,622 is: 1,097,333,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,639,220 : 692,990,622 = 692,990,622 : x
  2. Step 2: Convert to fraction form
    437,639,220/692,990,622 = 692,990,622/x
  3. Step 3: Cross multiply
    437,639,220x = 692,990,622 × 692,990,622
  4. Step 4: Simplify right side
    437,639,220x = 480,236,002,179,946,880
  5. Step 5: Solve for x
    x = 480,236,002,179,946,880/437,639,220
  6. Step 6: Final answer
    x = 1,097,333,100.49

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.