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Finding the Third Proportional to 63,123,090 and 135,997,308

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Solution

The third proportional to 63,123,090 and 135,997,308 is: 293,003,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,123,090 : 135,997,308 = 135,997,308 : x
  2. Step 2: Convert to fraction form
    63,123,090/135,997,308 = 135,997,308/x
  3. Step 3: Cross multiply
    63,123,090x = 135,997,308 × 135,997,308
  4. Step 4: Simplify right side
    63,123,090x = 18,495,267,783,246,864
  5. Step 5: Solve for x
    x = 18,495,267,783,246,864/63,123,090
  6. Step 6: Final answer
    x = 293,003,206.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.