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Finding the Third Proportional to 102,087,782 and 156,916,239

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Solution

The third proportional to 102,087,782 and 156,916,239 is: 241,191,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,087,782 : 156,916,239 = 156,916,239 : x
  2. Step 2: Convert to fraction form
    102,087,782/156,916,239 = 156,916,239/x
  3. Step 3: Cross multiply
    102,087,782x = 156,916,239 × 156,916,239
  4. Step 4: Simplify right side
    102,087,782x = 24,622,706,061,905,120
  5. Step 5: Solve for x
    x = 24,622,706,061,905,120/102,087,782
  6. Step 6: Final answer
    x = 241,191,507.74

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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.