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Finding the Third Proportional to 61,518,977.50 and 145,221,427

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Solution

The third proportional to 61,518,977.50 and 145,221,427 is: 342,809,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,518,977.50 : 145,221,427 = 145,221,427 : x
  2. Step 2: Convert to fraction form
    61,518,977.50/145,221,427 = 145,221,427/x
  3. Step 3: Cross multiply
    61,518,977.50x = 145,221,427 × 145,221,427
  4. Step 4: Simplify right side
    61,518,977.50x = 21,089,262,859,916,328
  5. Step 5: Solve for x
    x = 21,089,262,859,916,328/61,518,977.50
  6. Step 6: Final answer
    x = 342,809,060.18

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.