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Finding the Third Proportional to 53,973,340 and 85,840,410

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Solution

The third proportional to 53,973,340 and 85,840,410 is: 136,522,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,973,340 : 85,840,410 = 85,840,410 : x
  2. Step 2: Convert to fraction form
    53,973,340/85,840,410 = 85,840,410/x
  3. Step 3: Cross multiply
    53,973,340x = 85,840,410 × 85,840,410
  4. Step 4: Simplify right side
    53,973,340x = 7,368,575,988,968,100
  5. Step 5: Solve for x
    x = 7,368,575,988,968,100/53,973,340
  6. Step 6: Final answer
    x = 136,522,512.58

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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.