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Finding the Third Proportional to 7,140,693 and 10,878,351

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Solution

The third proportional to 7,140,693 and 10,878,351 is: 16,572,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,693 : 10,878,351 = 10,878,351 : x
  2. Step 2: Convert to fraction form
    7,140,693/10,878,351 = 10,878,351/x
  3. Step 3: Cross multiply
    7,140,693x = 10,878,351 × 10,878,351
  4. Step 4: Simplify right side
    7,140,693x = 118,338,520,479,201
  5. Step 5: Solve for x
    x = 118,338,520,479,201/7,140,693
  6. Step 6: Final answer
    x = 16,572,413.98

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.