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Finding the Third Proportional to 55,636,222 and 85,106,609

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Solution

The third proportional to 55,636,222 and 85,106,609 is: 130,187,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,636,222 : 85,106,609 = 85,106,609 : x
  2. Step 2: Convert to fraction form
    55,636,222/85,106,609 = 85,106,609/x
  3. Step 3: Cross multiply
    55,636,222x = 85,106,609 × 85,106,609
  4. Step 4: Simplify right side
    55,636,222x = 7,243,134,895,478,881
  5. Step 5: Solve for x
    x = 7,243,134,895,478,881/55,636,222
  6. Step 6: Final answer
    x = 130,187,396.54

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.