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Finding the Third Proportional to 55,477,971 and 88,354,215

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Solution

The third proportional to 55,477,971 and 88,354,215 is: 140,712,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477,971 : 88,354,215 = 88,354,215 : x
  2. Step 2: Convert to fraction form
    55,477,971/88,354,215 = 88,354,215/x
  3. Step 3: Cross multiply
    55,477,971x = 88,354,215 × 88,354,215
  4. Step 4: Simplify right side
    55,477,971x = 7,806,467,308,266,225
  5. Step 5: Solve for x
    x = 7,806,467,308,266,225/55,477,971
  6. Step 6: Final answer
    x = 140,712,920.24

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.