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Finding the Third Proportional to 109,908,685 and 170,027,992.50

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Solution

The third proportional to 109,908,685 and 170,027,992.50 is: 263,032,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,908,685 : 170,027,992.50 = 170,027,992.50 : x
  2. Step 2: Convert to fraction form
    109,908,685/170,027,992.50 = 170,027,992.50/x
  3. Step 3: Cross multiply
    109,908,685x = 170,027,992.50 × 170,027,992.50
  4. Step 4: Simplify right side
    109,908,685x = 28,909,518,233,580,056
  5. Step 5: Solve for x
    x = 28,909,518,233,580,056/109,908,685
  6. Step 6: Final answer
    x = 263,032,154.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.