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Finding the Third Proportional to 28,291,374 and 61,878,933.75

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Solution

The third proportional to 28,291,374 and 61,878,933.75 is: 135,341,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291,374 : 61,878,933.75 = 61,878,933.75 : x
  2. Step 2: Convert to fraction form
    28,291,374/61,878,933.75 = 61,878,933.75/x
  3. Step 3: Cross multiply
    28,291,374x = 61,878,933.75 × 61,878,933.75
  4. Step 4: Simplify right side
    28,291,374x = 3,829,002,442,036,889
  5. Step 5: Solve for x
    x = 3,829,002,442,036,889/28,291,374
  6. Step 6: Final answer
    x = 135,341,692.56

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.