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Finding the Third Proportional to 55,225,206 and 86,443,281

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Solution

The third proportional to 55,225,206 and 86,443,281 is: 135,308,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,225,206 : 86,443,281 = 86,443,281 : x
  2. Step 2: Convert to fraction form
    55,225,206/86,443,281 = 86,443,281/x
  3. Step 3: Cross multiply
    55,225,206x = 86,443,281 × 86,443,281
  4. Step 4: Simplify right side
    55,225,206x = 7,472,440,830,044,961
  5. Step 5: Solve for x
    x = 7,472,440,830,044,961/55,225,206
  6. Step 6: Final answer
    x = 135,308,518.90

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.