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Finding the Third Proportional to 102,087,790 and 156,916,247

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Solution

The third proportional to 102,087,790 and 156,916,247 is: 241,191,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,087,790 : 156,916,247 = 156,916,247 : x
  2. Step 2: Convert to fraction form
    102,087,790/156,916,247 = 156,916,247/x
  3. Step 3: Cross multiply
    102,087,790x = 156,916,247 × 156,916,247
  4. Step 4: Simplify right side
    102,087,790x = 24,622,708,572,565,008
  5. Step 5: Solve for x
    x = 24,622,708,572,565,008/102,087,790
  6. Step 6: Final answer
    x = 241,191,513.43

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.