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Finding the Third Proportional to 360,472,708.50 and 740,055,145.50

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Solution

The third proportional to 360,472,708.50 and 740,055,145.50 is: 1,519,342,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,472,708.50 : 740,055,145.50 = 740,055,145.50 : x
  2. Step 2: Convert to fraction form
    360,472,708.50/740,055,145.50 = 740,055,145.50/x
  3. Step 3: Cross multiply
    360,472,708.50x = 740,055,145.50 × 740,055,145.50
  4. Step 4: Simplify right side
    360,472,708.50x = 547,681,618,381,026,176
  5. Step 5: Solve for x
    x = 547,681,618,381,026,176/360,472,708.50
  6. Step 6: Final answer
    x = 1,519,342,811.44

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.