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Finding the Third Proportional to 55,616,394 and 81,433,607

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Solution

The third proportional to 55,616,394 and 81,433,607 is: 119,235,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616,394 : 81,433,607 = 81,433,607 : x
  2. Step 2: Convert to fraction form
    55,616,394/81,433,607 = 81,433,607/x
  3. Step 3: Cross multiply
    55,616,394x = 81,433,607 × 81,433,607
  4. Step 4: Simplify right side
    55,616,394x = 6,631,432,349,030,449
  5. Step 5: Solve for x
    x = 6,631,432,349,030,449/55,616,394
  6. Step 6: Final answer
    x = 119,235,208.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.