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Finding the Third Proportional to 65,482,020 and 109,130,166

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Solution

The third proportional to 65,482,020 and 109,130,166 is: 181,872,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,482,020 : 109,130,166 = 109,130,166 : x
  2. Step 2: Convert to fraction form
    65,482,020/109,130,166 = 109,130,166/x
  3. Step 3: Cross multiply
    65,482,020x = 109,130,166 × 109,130,166
  4. Step 4: Simplify right side
    65,482,020x = 11,909,393,131,187,556
  5. Step 5: Solve for x
    x = 11,909,393,131,187,556/65,482,020
  6. Step 6: Final answer
    x = 181,872,720.65

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.