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Finding the Third Proportional to 109,908,661 and 170,027,943

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Solution

The third proportional to 109,908,661 and 170,027,943 is: 263,032,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,908,661 : 170,027,943 = 170,027,943 : x
  2. Step 2: Convert to fraction form
    109,908,661/170,027,943 = 170,027,943/x
  3. Step 3: Cross multiply
    109,908,661x = 170,027,943 × 170,027,943
  4. Step 4: Simplify right side
    109,908,661x = 28,909,501,400,811,248
  5. Step 5: Solve for x
    x = 28,909,501,400,811,248/109,908,661
  6. Step 6: Final answer
    x = 263,032,058.96

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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.