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Finding the Third Proportional to 215,655,926 and 472,362,525

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Solution

The third proportional to 215,655,926 and 472,362,525 is: 1,034,640,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,655,926 : 472,362,525 = 472,362,525 : x
  2. Step 2: Convert to fraction form
    215,655,926/472,362,525 = 472,362,525/x
  3. Step 3: Cross multiply
    215,655,926x = 472,362,525 × 472,362,525
  4. Step 4: Simplify right side
    215,655,926x = 223,126,355,024,375,616
  5. Step 5: Solve for x
    x = 223,126,355,024,375,616/215,655,926
  6. Step 6: Final answer
    x = 1,034,640,499.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.