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Finding the Third Proportional to 717,542,480.63 and 1,123,149,959.63

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Solution

The third proportional to 717,542,480.63 and 1,123,149,959.63 is: 1,758,036,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,542,480.63 : 1,123,149,959.63 = 1,123,149,959.63 : x
  2. Step 2: Convert to fraction form
    717,542,480.63/1,123,149,959.63 = 1,123,149,959.63/x
  3. Step 3: Cross multiply
    717,542,480.63x = 1,123,149,959.63 × 1,123,149,959.63
  4. Step 4: Simplify right side
    717,542,480.63x = 1,261,465,831,805,639,168
  5. Step 5: Solve for x
    x = 1,261,465,831,805,639,168/717,542,480.63
  6. Step 6: Final answer
    x = 1,758,036,445.04

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.